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[PATCH] nselib/bitcoin: add address classification helpers (refs #2857, PR #3371) Melo via dev (May 25)
PR #3371 adds three functions to nselib/bitcoin.lua:

- looks_like_address(value) -- regex candidate detection
- validate_address(value) -- Base58Check, Bech32, Bech32m validation
- classify_address(value) -- high-level classification

Supports mainnet, testnet, and regtest with full unittest (38/38 pass).
No network calls, no external APIs, no real keys, no changes to existing scripts.

PR: https://github.com/nmap/nmap/pull/3371
Issue:...

[NSE] matter-identify: identify Matter smart-home devices via mDNS Balázs Zoltán (May 11)
Hi,

Attached is matter-identify.nse, a new discovery script for identifying
Matter (formerly Project CHIP) smart-home devices.

It sends DNS PTR queries to 5353/udp for the three Matter service types
defined in the Matter Core Spec section 4:

_matter._tcp.local commissioned / operational nodes
_matterc._udp.local nodes in commissioning mode
_meshcop._udp.local Thread border routers

TXT records are decoded into VID,...

Re: Rahmat Ramadhan (May 01)
gaa

Pada Sen, 9 Mar 2026 08:20, Juan jose Rodriguez <
juanjoserodriguezmontoya35 () gmail com> menulis:

[PATCH 0/5] ALPN-based HTTP/2 service detection improvements Urval Kheni (Apr 14)
Hi,

This patch series introduces ALPN-based improvements to service detection
for TLS services.

It adds support for extracting the negotiated ALPN protocol and uses
"h2" as a conservative fallback signal to infer HTTP over TLS when
service detection fails.

This improves detection of HTTP/2-only services, which return binary
responses not recognized by existing probes.

The changes are structured as follows:

1. Fix OpenSSL provider...

Bug Report: ssl-enum-ciphers fails (EOF) on CloudFront/ECDSA targets supporting TLS 1.2 Jack Seredyniecki via dev (Apr 14)
Hello nmap dev team,

I am reporting a false negative where ssl-enum-ciphers fails to detect TLS
1.2 on a CloudFront target (itwisegroup.com:443) that uses an ECDSA
certificate and Post-Quantum hybrid key exchange (X25519MLKEM768).
While sslscan and openssl confirm TLS 1.2 is active, Nmap reports only TLS
1.3. My debug logs show the server is dropping the connection (EOF) during
the Nmap TLS 1.2 handshake attempt:
NSE: [ssl-enum-ciphers...

[PATCH] Support Linux capabilities for non-root raw packet scanning Ali Norouzi via dev (Apr 14)
Hi everyone,

I just opened a PR that adds support for Linux capabilities, allowing nmap to
perform raw packet scans without sudo when the binary has `CAP_NET_RAW` set via
setcap:

https://github.com/nmap/nmap/pull/3333

Please review.

Best,
Ali

Fix for issue #3326 advait deshmukh (Apr 14)
Issue link <https://github.com/nmap/nmap/issues/3326>
Pull request link <https://github.com/nmap/nmap/pull/3337>
I read the source code and, from what I understood, the current output
appears to be intentional. The ipv4 value being shown seems to refer to the
next header, i.e., the protocol of the packet encapsulated within the outer
packet, which in this case is IPv6.
Since the user has explicitly specified -6 in the command, it...

Interview Invitation for Educational Research Muhammad Hassan Tanveer via dev (Mar 31)
Hello Everyone!

We are conducting a research study on how organizations handle the
aftermath of cybersecurity incidents and we would greatly value your
perspective. Our focus is on what happens after a security incident is
resolved. How do teams reflect on these events? How do organizations
learn from incidents?

Are you a cybersecurity practitioner? We would love to hear from you! We
invite you to participate in a ~45-minute online...

Re: GSoC 2026: Password Security Wizard - Optimizing the NSE Brute Library Adithya Shetty (Mar 13)
Ah, my mistake.

I completely missed that banner on the site.

Thanks for letting me know Gordon

[no subject] Juan jose Rodriguez (Mar 08)
Contraseña

GSoC 2026: Password Security Wizard - Optimizing the NSE Brute Library Adithya Shetty (Mar 02)
Hi Nmap Development Team and Fotis,

My name is Adithya, and I am a 4th-semester Computer Science student
specializing in Cybersecurity. I am writing to express my strong interest
in the "Password Security Wizard" project for GSoC 2026.

Over the past few days, I have cloned the repository, set up my build
environment, and have been digging into the nselib/brute.lua library and
several of the -brute.nse scripts (specifically focusing on...

Question about Nmap and GSoC 2026 Sweekar (Jan 29)
Hi Nmap developers,

I am a student contributor and have previously worked on Nmap. I am
preparing for Google Summer of Code 2026 and wanted to ask whether Nmap is
considering participating as a mentoring organization this year, or if
there are no plans at this time.

Thank you for your time and for maintaining such an important project.

Best regards,
Sweekar

PR #3277: Clean up and harden POP3 helper login functions Sweekar (Jan 23)
Hello Nmap Developers,
As suggested in CONTRIBUTION.md i am writing this mail to notify about my PR
https://github.com/nmap/nmap/pull/3277

This PR refactors and fixes the POP3 authentication helper functions used
by NSE scripts, including pop3-brute.nse.

Main changes:

-

Hardened SASL LOGIN handling
-

Improved SASL PLAIN and CRAM-MD5 logic
-

Corrected APOP handling and report missing OpenSSL support
-

Normalized...

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Npcap Version 1.82 Released with VLAN Tagging and More Gordon Fyodor Lyon (Apr 28)
Dear Nmap Community,

In preparation for an imminent Nmap release (hopefully this week!), we have
released Version 1.82 of our Npcap Windows packet capture and transmission
driver. It builds upon the recent 1.81 release to add support for VLAN
tagging. This allows you to select for packets directed to a certain VLAN
or just inspect the VLAN headers on any packets received. It's especially
useful for Wireshark users. You can also now send...

Nmap 7.95 released: OS and service detection signatures galore! Gordon Fyodor Lyon (May 05)
Dear Nmap Community,

I just arrived in San Francisco for the RSA conference and am delighted to
announce our Nmap Version 7.95 release! I'm most excited that we finally
tackled our backlog of OS and service detection fingerprint submissions.
We're not talking about dozens or hundreds of them-we processed more than
6,500 fingerprints!

For OS detection, we added 336 signatures, bringing the new total to 6,036.
Additions include iOS 15...

Full Disclosure — A public, vendor-neutral forum for detailed discussion of vulnerabilities and exploitation techniques, as well as tools, papers, news, and events of interest to the community. The relaxed atmosphere of this quirky list provides some comic relief and certain industry gossip. More importantly, fresh vulnerabilities sometimes hit this list many hours or days before they pass through the Bugtraq moderation queue.

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Re: Dovecot Security Advisory OXDC-2026-0002 Noel Butler via Fulldisclosure (May 25)
So when is the fix for dovecot 2.3 source code due to be released?

Since by your wording by not including the first detected versions, it
must be assumed 2.3 is affected, and as no EOL has been published or
announced for 2.3.x, and as 2.3 is the still the most popular used
version by far, should be prudent one is released, given a few more
serious fixes have been made in recent times.

SSRF in Anthropic mcp-server-fetch and Microsoft playwright-mcp — publicly disclosed via GitHub issues outreach (May 25)
-----BEGIN SECURITY ADVISORY-----

Title: Server-Side Request Forgery (SSRF) in Anthropic mcp-server-fetch and Microsoft playwright-mcp
Author: Syed Anas Mohiuddin <anasmohiuddinsyed () gmail com>
Date: May 25, 2026
CVSS: 7.5 (HIGH) — AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
References: Already public via GitHub issues (see below)

== AFFECTED PRODUCTS ==

1. Anthropic mcp-server-fetch (modelcontextprotocol/servers)
All versions as of May...

[SECURITY ADVISORY] CVE-2021-21735 - ZTE ZXHN H168N V3.5 Unauthenticated Admin Credential Leak m.nageh (May 25)
-----BEGIN SECURITY ADVISORY-----

Advisory ID: MONX-2021-001
CVE ID: CVE-2021-21735
Title: ZTE ZXHN H168N V3.5 - Unauthenticated Wizard Credential
Disclosure to Full Admin Compromise
Affected: ZTE ZXHN H168N V3.5
Date: 2026-05-20
Author: Mina Nageh Salalma (Monx Research)
Contact: minanageh379 () gmail com
Public URL:...

[SECURITY ADVISORY] CVE-2026-34474 - ZTE H298A/H108N Unauthenticated Admin Credential Exposure m.nageh (May 25)
-----BEGIN SECURITY ADVISORY-----

Advisory ID: MONX-2026-003
CVE ID: CVE-2026-34474
Title: ZTE ZXHN H298A / H108N - Unauthenticated Admin Password &
WLAN Credential Exposure
Affected: ZTE ZXHN H298A 1.1, ZTE ZXHN H108N 2.6 (EOL; no patch
planned)
Date: 2026-05-20
Author: Mina Nageh Salalma (Monx Research)
Contact: minanageh379 () gmail com
Public URL:...

[SECURITY ADVISORY] CVE-2026-34472 - ZTE ZXHN H188A V6 Authentication Bypass via Pre-Login Wizard m.nageh (May 25)
-----BEGIN SECURITY ADVISORY-----

Advisory ID: MONX-2026-002
CVE ID: CVE-2026-34472
Title: ZTE ZXHN H188A V6 - Authentication Bypass via Pre-Login
Wizard Credential Leakage
Affected: ZTE ZXHN H188A V6.0.10P2_TE, V6.0.10P3N3_TE
Date: 2026-05-20
Author: Mina Nageh Salalma (Monx Research)
Contact: minanageh379 () gmail com
Public URL:...

[SECURITY ADVISORY] CVE-2026-34473 - Unauthenticated DoS in 17+ ZTE Router Models (140K+ Devices) m.nageh (May 25)
-----BEGIN SECURITY ADVISORY-----

Advisory ID: MONX-2026-001
CVE ID: CVE-2026-34473
Title: Unauthenticated Denial of Service via Oversized POST Body
in ZTE Router CGILua Parser
Affected: 17+ ZTE ZXHN router models (~140,000 publicly exposed
devices)
CVSS Score: 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Date: 2026-05-20
Author: Mina Nageh Salalma (Monx Research)
Contact: minanageh379 () gmail...

Multiple vulnerabilities in Sparx Pro Cloud Server and Enterprise Architect Adamczyk Blazej (May 25)
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
Multiple vulnerabilities in Sparx Pro Cloud Server and Enterprise Architect
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

General...

APPLE-SA-05-13-2026-1 Safari 26.5 Apple Product Security via Fulldisclosure (May 17)
APPLE-SA-05-13-2026-1 Safari 26.5

Safari 26.5 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/en-us/127121.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

WebKit
Available for: macOS Sonoma and macOS Sequoia
Impact: Processing maliciously crafted web content may prevent Content...

APPLE-SA-05-11-2026-11 visionOS 26.5 Apple Product Security via Fulldisclosure (May 17)
APPLE-SA-05-11-2026-11 visionOS 26.5

visionOS 26.5 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/en-us/127120.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

Accelerate
Available for: Apple Vision Pro (all models)
Impact: An app may be able to cause a denial-of-service
Description:...

APPLE-SA-05-11-2026-10 watchOS 26.5 Apple Product Security via Fulldisclosure (May 17)
APPLE-SA-05-11-2026-10 watchOS 26.5

watchOS 26.5 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/en-us/127119.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

Accelerate
Available for: Apple Watch Series 6 and later
Impact: An app may be able to cause a denial-of-service
Description:...

APPLE-SA-05-11-2026-9 tvOS 26.5 Apple Product Security via Fulldisclosure (May 17)
APPLE-SA-05-11-2026-9 tvOS 26.5

tvOS 26.5 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/en-us/127118.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

Accelerate
Available for: Apple TV HD and Apple TV 4K (all models)
Impact: An app may be able to cause a denial-of-service...

APPLE-SA-05-11-2026-8 macOS Sonoma 14.8.7 Apple Product Security via Fulldisclosure (May 17)
APPLE-SA-05-11-2026-8 macOS Sonoma 14.8.7

macOS Sonoma 14.8.7 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/en-us/127117.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

APFS
Available for: macOS Sonoma
Impact: An app may be able to cause unexpected system termination
Description: A...

APPLE-SA-05-11-2026-7 macOS Sequoia 15.7.7 Apple Product Security via Fulldisclosure (May 17)
APPLE-SA-05-11-2026-7 macOS Sequoia 15.7.7

macOS Sequoia 15.7.7 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/en-us/127116.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

APFS
Available for: macOS Sequoia
Impact: An app may be able to cause unexpected system termination
Description:...

APPLE-SA-05-11-2026-6 macOS Tahoe 26.5 Apple Product Security via Fulldisclosure (May 17)
APPLE-SA-05-11-2026-6 macOS Tahoe 26.5

macOS Tahoe 26.5 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/en-us/127115.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

Accelerate
Available for: macOS Tahoe
Impact: An app may be able to cause a denial-of-service
Description: An...

APPLE-SA-05-11-2026-5 iOS 15.8.8 and iPadOS 15.8.8 Apple Product Security via Fulldisclosure (May 17)
APPLE-SA-05-11-2026-5 iOS 15.8.8 and iPadOS 15.8.8

iOS 15.8.8 and iPadOS 15.8.8 addresses the following issues.
Information about the security content is also available at
https://support.apple.com/en-us/127114.

Apple maintains a Security Releases page at
https://support.apple.com/100100 which lists recent
software updates with security advisories.

Notification Services
Available for: iPhone 6s (all models), iPhone 7 (all models), iPhone SE...

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OpenAI Codex Security Dave Aitel via Dailydave (Mar 07)
https://openai.com/index/codex-security-now-in-research-preview/

As you might have noticed we've released Codex Security and if you have a
ChatGPT business or enterprise or edu or pro subscription (which is most of
y'all) then you have access ! Just go to chatgpt.com/codex/security and
hopefully it pulls up cleanly for you. If not, probably my fault in some
way.

If you do have access then I'd love it if you would:

1. Say what...

RE//verse, DistrictCon, an Anole Friend Dave Aitel via Dailydave (Feb 02)
Last month was DistrictCon, a great conference that I did not attend
because the sky decided to dump snow on Washington, DC. Anyone who has
spent more than ten minutes in that city knows this is how you cancel every
flight out of DCA and turn the roads into skating rinks filled with deeply
furious government contractors. Life is short, so I remained in Miami where
it was 80 degrees and everyone was pretending winter is a myth.

Today it is...

feeling the air Dave Aitel via Dailydave (Jan 05)
For reasons I still don’t fully understand, Miami Beach has enormous
colonies of turkey vultures. You’ll see them circling over the city and the
interstates, perched like huge awkward toddlers on lampposts, or standing
motionless as a shadow in the strip of grass between the road and the blue
water of the bay. If you look up at almost any moment, there’s a column of
them somewhere overhead, wings spread wide, fingers splayed, feeling the...

Re: Defense ? Dean Pierce via Dailydave (Nov 16)
I like the idea of having a software supply chain that people can pay into
that basically funds a universal bug bounty system for anything that
matters.

You can put systems in place that utilize zero knowledge exploitability
proofs to automate bounty triage, so it doesn't even need to be run by a
central trusted entity. As the bounty markets stabilize, what you're left
with is a software ecosystem where anyone can build what they need...

Re: Defense ? Chris Anley via Dailydave (Nov 16)
(gingerly raises head above parapet)

Historically, “we’ve” moved the bar in defense.

- Everything is now in the cloud, accessible 24/7 via APIs whose keys are stored in plaintext alongside code, or via
preauthenticated sessions
- Everything has ~40 dependencies, each of which has ~40 dependencies, etc, which, combined with a published CVE rate
of 1 per 15 minutes (calendar year 2024), means that patching an enterprise before an...

Re: Defense ? Alfonso De Gregorio via Dailydave (Nov 16)
Imbalances in the skills and workforce are real. The gap remains hard
to bridge also in the presence of greater degrees of automation that
AI buys us, because, at this stage, we want humans to be in the loop –
and for good reasons – and, also, cause we are not going to grow the
skillset faster than the attack surface, I am afraid.

I hate to sound like a broken record, but I will take a bite
regardless: those imbalances are a byproduct of the...

Re: Defense ? Conan Dooley via Dailydave (Nov 16)
Reduce complexity, duplication, and scope in your infrastructure. Your
developers and infrastructure staff would need to agree on standardized
libraries, frameworks, etc, and you'd need skilled technical staff to
validate when people said doing something wasn't possible within that
scope, and make them accountable for making sure adding that level of
complexity led to business value that was greater than that overhead (vs,
say, just...

Re: Defense ? etojake--- via Dailydave (Nov 16)
The content of this message was lost. It was probably cross-posted to
multiple lists and previously handled on another list.

Defense ? Dave Aitel via Dailydave (Nov 15)
How would one actually move the actual bar in defense? A big part of me
thinks that you're just not going to patch your way out of the problem. But
the number of organizations that you can rely on to actually make a
difference seems pretty small? Like even converting every Linux binary to
rust would only make sense if you could find a team that could actually
maintain and support that code base, which I don't know that you could.

Like...

Offensive AI Con Dave Aitel via Dailydave (Oct 08)
So I just got back from "Offensive AI Conference" in San Diego and it was a
great event - for a first time conference it ran especially smoothly, the
attendees were an amazing crowd, and many of the talks were extremely
strong. There's something about a conference that is not recording the
talks that gets people to actually sit and listen to them via the magic of
FOMO, but also, when a conference is "invite only" then you...

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Apple Releases Security Updates for Multiple Products CISA (Mar 28)
Cybersecurity and Infrastructure Security Agency (CISA) - Defend Today, Secure Tomorrow

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Apple Releases Security Updates for Multiple Products [
https://www.cisa.gov/news-events/alerts/2023/03/28/apple-releases-security-updates-multiple-products ] 03/28/2023 01:00
PM EDT

Apple...

CISA Releases Six Industrial Control Systems Advisories CISA (Mar 23)
Cybersecurity and Infrastructure Security Agency (CISA) - Defend Today, Secure Tomorrow

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CISA Releases Six Industrial Control Systems Advisories [
https://www.cisa.gov/news-events/alerts/2023/03/23/cisa-releases-six-industrial-control-systems-advisories ] 03/23/2023
08:00 AM EDT...

CISA Releases Eight Industrial Control Systems Advisories CISA (Mar 21)
Cybersecurity and Infrastructure Security Agency (CISA) - Defend Today, Secure Tomorrow

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CISA Releases Eight Industrial Control Systems Advisories [
https://www.cisa.gov/news-events/alerts/2023/03/21/cisa-releases-eight-industrial-control-systems-advisories ]
03/21/2023 08:00 AM...

CISA and NSA Release Enduring Security Framework Guidance on Identity and Access Management CISA (Mar 21)
Cybersecurity and Infrastructure Security Agency (CISA) - Defend Today, Secure Tomorrow

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has recently been updated, and is now available.

CISA and NSA Release Enduring Security Framework Guidance on Identity and Access Management [...

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CVE-2026-40564: Apache Flink Kubernetes Operator: Server-Side Request Forgery and local file access in Kubernetes Operator Gyula Fora (May 26)
Severity: moderate

Affected versions:

- Apache Flink Kubernetes Operator 1.3.0 before 1.15.0

Description:

Files or Directories Accessible to External Parties, Server-Side Request Forgery (SSRF) vulnerability in Apache Flink
Kubernetes Operator.

The FlinkSessionJob jarURI is currently not validated so that it points to user-owned files or addresses.  This lets a
user with CR create permissions read files from the operator pod's...

qSnapper: Various Security Issues in Privileged D-Bus Service (CVE-2026-41045 through CVE-2026-41048) Matthias Gerstner (May 26)
Hello list,

this is a report about security issues in qSnapper. We also offer a
rendered version of this report on our blog [1].

Summary: qSnapper is a GUI frontend for the Snapper utility for managing
Btrfs file system snapshots. In versions up to qSnapper 1.3.2 various
security issues are found in a privileged D-Bus service component,
allowing for Denial-of-Service, authentication bypass, information leaks
or even a local root exploit.

1)...

CVE-2026-9538: Archive::Tar versions before 3.10 for Perl allow memory exhaustion via attacker controlled entry size field in tar header Stig Palmquist (May 25)
========================================================================
CVE-2026-9538 CPAN Security Group
========================================================================

CVE ID: CVE-2026-9538
Distribution: Archive-Tar
Versions: before 3.10

MetaCPAN: https://metacpan.org/dist/Archive-Tar
VCS Repo: https://github.com/jib/archive-tar-new

Archive::Tar versions before...

CVE-2026-42497: Archive::Tar versions before 3.08 for Perl extract hardlinks to attacker controlled paths outside the extraction directory Stig Palmquist (May 25)
========================================================================
CVE-2026-42497 CPAN Security Group
========================================================================

CVE ID: CVE-2026-42497
Distribution: Archive-Tar
Versions: before 3.08

MetaCPAN: https://metacpan.org/dist/Archive-Tar
VCS Repo: https://github.com/jib/archive-tar-new

Archive::Tar versions...

CVE-2026-42496: Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction directory Stig Palmquist (May 25)
========================================================================
CVE-2026-42496 CPAN Security Group
========================================================================

CVE ID: CVE-2026-42496
Distribution: Archive-Tar
Versions: before 3.08

MetaCPAN: https://metacpan.org/dist/Archive-Tar
VCS Repo: https://github.com/jib/archive-tar-new

Archive::Tar versions...

CVE-2026-8376: Perl versions through 5.43.10 have a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds Timothy Legge (May 25)
========================================================================
CVE-2026-8376 CPAN Security Group
========================================================================

CVE ID: CVE-2026-8376
Distribution: perl
Versions: through 5.43.10

MetaCPAN: https://metacpan.org/dist/perl
VCS Repo: https://github.com/Perl/perl5

Perl versions through 5.43.10 have a heap...

CVE-2026-48589: Apache Shiro: Jakarta EE open redirect via untrusted Referer in post-login redirect flow Lenny Primak (May 25)
Severity:

Affected versions:

- Apache Shiro (org.apache.shiro:shiro-jakarta-ee) 2.0.0-alpha-0 through 2.2.0
- Apache Shiro (org.apache.shiro:shiro-jakarta-ee) 3.0.0-alpha-0 through 3.0.0-alpha-1

Description:

Apache Shiro’s Jakarta EE module used the HTTP Referer header in certain cases to issue redirect after a user login.
In affected versions, insufficient validation of this client-controlled value could allow an attacker to influence the...

CVE-2026-44598: Apache Shiro Jakarta EE module: Open redirect and SSRF (requires valid credentials) Lenny Primak (May 25)
Severity:

Affected versions:

- Apache Shiro Jakarta EE module (org.apache.shiro:shiro-jakarta-ee) 2.0.0-alpha-0 through 2.1.0
- Apache Shiro Jakarta EE module (org.apache.shiro:shiro-jakarta-ee) 3.0.0-alpha-0 through 3.0.0-alpha-1

Description:

With valid login credentials, URL Redirection to Untrusted Site ('Open Redirect'), Server-Side Request Forgery (SSRF)
vulnerability in Apache Shiro.

This issue affects Apache Shiro from...

CVE-2026-43828: Apache Shiro: Shiro's native session and rememberMe cookies do not have secure flag set by default Lenny Primak (May 25)
Severity:

Affected versions:

- Apache Shiro (org.apache.shiro:shiro-web) 1.0 through 2.1.0
- Apache Shiro (org.apache.shiro:shiro-web) 3.0.0-alpha-0 through 3.0.0-alpha-1

Description:

Default configurations of Apache Shiro send sensitive cookies in HTTPS session without 'Secure' attribute.

This issue affects Apache Shiro from 1.0 to 2.1.0, and 3.0.0-alpha-1.

Users are recommended to upgrade to version 2.1.1, or 3.0.0-alpha-2 or...

CVE-2026-43827: Apache Shiro: Session fixation: new session is not created after login by default Lenny Primak (May 25)
Severity:

Affected versions:

- Apache Shiro (org.apache.shiro:shiro-core) 1.0 through 2.1.0
- Apache Shiro (org.apache.shiro:shiro-core) 3.0.0-alpha-0 through 3.0.0-alpha-1

Description:

Default configurations of Apache Shiro have a session fixation vulnerability.

This issue affects Apache Shiro from 1.0 to 2.1.0, and 3.0.0-alpha-1.

Users are recommended to upgrade to version 2.1.1, or 3.0.0-alpha-2 or later, which fixes the issue.

In the...

CVE-2026-42797: Apache Syncope: JexlContextBuilder Information Disclosure Francesco Chicchiriccò (May 25)
Severity: moderate

Affected versions:

- Apache Syncope (org.apache.syncope.core:syncope-core-provisioning-api) 3.0 through 3.0.16
- Apache Syncope (org.apache.syncope.core:syncope-core-provisioning-api) 4.0 through 4.0.5
- Apache Syncope (org.apache.syncope.core:syncope-core-provisioning-api) 4.1 through 4.1.0

Description:

Exposure of Sensitive Information Through Data Queries vulnerability in Apache Syncope.

An administrator with adequate...

CVE-2026-42782: Apache Syncope: Post-auth RCE via Groovy static Francesco Chicchiriccò (May 25)
Severity: moderate

Affected versions:

- Apache Syncope (org.apache.syncope.core:syncope-core-spring) 3.0 through 3.0.16
- Apache Syncope (org.apache.syncope.core:syncope-core-spring) 4.0 through 4.0.5
- Apache Syncope (org.apache.syncope.core:syncope-core-spring) 4.1 through 4.1.0

Description:

Improper Isolation or Compartmentalization vulnerability in Apache Syncope.

An administrator with adequate entitlements for Implementations can...

Re: Coordinated Disclosure in the LLM Age ROI AI (May 24)

Yes, apologies for that.  And apologies to anyone who felt I was being repetitive.  However, fwiw, my only agenda here
is seeing open source be secure, especially open source sovereign cloud.  I am hopeful that is also everyone elses
agenda as well. 
Confidential communication. No warranties or commitments unless in a signed agreement. If received in error, notify
sender and delete. Unauthorized use prohibited.

Re: Coordinated Disclosure in the LLM Age Jacob Bachmeyer (May 24)
I want to make clear that the message quoted above bungled quoting in a
way that left my signature line after what I now presume to be a
generated response that completely ignored the point I was trying to
make.  I am sorry but I have just run out of credible assumptions of
good faith from ROI AI.

I also note that the list moderator is asking to curtail this thread and
I agree that any further "debate" with the ROI AI slop...

Re: On the issue of MIME handlers that execute arbitrary code (e.g. Wine) Aaron Rainbolt (May 24)
... snip ...

CVE-2026-48831 has been assigned for this. [1]

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Re: Sling Geolocation Eric C. Miller via NANOG (May 26)
Tim, thank for this shortcut! We'll reach out and see if they can help.

--Eric
________________________________
From: Tim Burke <tim () mid net>
Sent: Tuesday, May 26, 2026 9:38 AM
To: nanog () lists nanog org <nanog () lists nanog org>
Cc: Eric C. Miller <eric () ericheather com>; nanog () lists nanog org <nanog () lists nanog org>
Subject: Re: Sling Geolocation

I reached out to Sling some time ago and found out...

Re: Sling Geolocation Eric C. Miller via NANOG (May 26)
Thanks, Joe! I don't know why I didn't think to reach out to the whois contacts. Hopefully they don't go to a mailbox
where no one's home 🙂

Eric
________________________________
From: Joe Klein via NANOG <nanog () lists nanog org>
Sent: Monday, May 25, 2026 2:26 PM
To: North American Network Operators Group <nanog () lists nanog org>
Cc: Joe Klein <jsklein () gmail com>
Subject: Re: Sling Geolocation...

Re: Sling Geolocation Tim Burke via NANOG (May 26)
I reached out to Sling some time ago and found out that they use Digital Element.
https://data-corrections.digitalelement.com/

They are unwilling to accept a geofeed, but generally do perform updates quickly.

Hopefully this is a bit more helpful than AI generated slop.

Tim

Good day!

Is there anyone from Sling that can point me towards the geolocation provider? I have an IP that's located in Zip
22311, but Sling is telling our...

Anyone From CloudFlare? Serhii via NANOG (May 26)
Not to be seen as overreacting, but why you would bring it here and not in court? Should immediately solve your problem.

Anyone From CloudFlare? Jimi Thompson via NANOG (May 26)
I have an ongoing abuse complaint that's not getting any traction and I'd
like to see if I can't get some help with it.

I happen to publish a web serial and a site has been scraping me for 2
months and I've been filing DMCAs for 2 months. I've filed multiple DMCA
requests. Other than the autoresponder there's been silence.

The site has no monetization options. No ads, nothing to buy. It's only
source of...

Re: Sling Geolocation Joe Klein via NANOG (May 25)
208.94.135.0/24 <https://bgp.he.net/net/208.94.135.0/24>Sling Broadband LLC
Announced By
Origin Origin Registrant Prefix Prefix Registrant
AS33724 <https://bgp.he.net/AS33724> VOLICO
[image: IRR Parent Valid]
208.94.135.0/24 <https://bgp.he.net/net/208.94.135.0/24> Sling Broadband LLC
AS65100 <https://bgp.he.net/AS65100>
[image: IRR Parent Invalid]
208.94.135.0/24 <https://bgp.he.net/net/208.94.135.0/24> Sling...

Re: Regarding the BGP leak Patrick W. Gilmore via NANOG (May 23)
Grey's law: Sufficiently advanced incompetence is indistinguishable from malice.

Re: [BGP Hijack] AS202734 hijacked multiple Chinese Carriers on May 16-17 – Full evidence and attribution ahmrcxy--- via NANOG (May 22)
Apologies to all subscribers for replying in Chinese here. Several members have already reply him in English, but the
message does not appear to be getting through. I will now reply in Chinese to ensure there is no further
miscommunication or evasion and to stop further time-wasting.
Chinese version：
亲爱的 Zhong miao，...

Re: [BGP Hijack] AS202734 hijacked multiple Chinese Carriers on May 16-17 – Full evidence and attribution 茶栗 via NANOG (May 22)
Hello, Zhong Miao and other colleagues on the NANOG mailing list,

Apologies for the late-night message and for adding out-of-region noise
to the mailing list, but I feel compelled to share some context
regarding this situation.

Regarding the route leak itself:

1. It is quite common for networks with predominantly Chinese-speaking
operators or customers to optimize traffic to and from Chinese
networks (such as CU, CT, and CM). This...

Re: [BGP Hijack] AS202734 hijacked multiple Chinese Carriers on May 16-17 – Full evidence and attribution Jacob-Junqi Tian via NANOG (May 22)
Hello,

Thanks for sharing this incident with the community. On May 17, because of an incorrect filter configuration, routers
of AS202734 exported a number of prefixes from its internal routing table to the route collector of the Hurricane
Electric BGP looking glass (bgp.he.net).

For BGP sessions with upstream transit providers (real routers), AS202734 uses a tighter set of filters, and export
only prefixes that are within a small number of...

Regarding the BGP leak me via NANOG (May 22)
Tom,

Thanks for your perspective. I do appreciate the Hanlon's Razor point —
it's a good general principle.

However, in this case, the same ASN also:
- Manually injected China Telecom's IPv6 backbone (`240e::/20`) into its
BIRD config on May 1
- Submitted a new ASN (`AS402333`) on May 16, the day of the leak
- Maintains a global geofeed that still lists a Shanghai node as of May
22

If that's not malice, then perhaps...

Sling Geolocation Eric C. Miller via NANOG (May 22)
Good day!

Is there anyone from Sling that can point me towards the geolocation provider? I have an IP that's located in Zip
22311, but Sling is telling our mutual customer that it's showing in Zip 22302. Trying to figure out what we're doing
wrong.

Thank you!

Eric

Weekly Global IPv4 Routing Table Report Routing Table Analysis Role Account via NANOG (May 22)
This is an automated weekly mailing describing the state of the Global
IPv4 Routing Table as seen from APNIC's router in Japan.

The posting is sent to APOPS, NANOG, AfNOG, SANOG, PacNOG, SAFNOG
UKNOF, TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG.

Daily listings are sent to bgp-stats () lists apnic net.

For historical data, please see https://thyme.apnic.net.

If you have any comments please contact Philip Smith...

Re: [BGP Hijack] AS202734 - Follow-up on the HE-only visibility Tom Beecher via NANOG (May 22)
As part of BGP scaling and convergence testing I do, I essentially simulate
the entire public internet, with all usable IPv4 space as part of it. I
perform those tests in an airgapped lab environment with no possible way
for those announcements to leak out into production networks or beyond.
Even if someone broke the airgap, it would take multiple config changes at
multiple layers with specific intent for anything to leak out.

Not every network...

Re: [BGP Hijack] AS202734 - Follow-up on the HE-only visibility me via NANOG (May 22)
Yanzheng,

Thank you for this clarification. This is the missing piece I've been
trying to find.

So, to restate what you're saying, the 3,948 bogon routes were real
(AS202734 did import them into its BGP table), but they were only leaked
to HE's collector(s) and not propagated to the global DFZ. This explains
the discrepancy between HE and RIPE RIS data perfectly.

This also answers Charlie's question about...

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Healthcare organizations face rising ransomware attacks – and are paying up Matthew Wheeler (Jun 03)
https://www.theregister.com/2022/06/03/healthcare-ransomware-pay-sophos/

Healthcare organizations, already an attractive target for ransomware given
the highly sensitive data they hold, saw such attacks almost double between
2020 and 2021, according to a survey released this week by Sophos.

The outfit's team also found that while polled healthcare orgs are quite
likely to pay ransoms, they rarely get all of their data returned if they
do...

A digital conflict between Russia and Ukraine rages on behind the scenes of war Matthew Wheeler (Jun 03)
https://wskg.org/npr_story_post/a-digital-conflict-between-russia-and-ukraine-rages-on-behind-the-scenes-of-war/

SEATTLE — On the sidelines of a conference in Estonia on Wednesday, a
senior U.S. intelligence official told British outlet Sky News that the
U.S. is running offensive cyber operations in support of Ukraine.

“My job is to provide a series of options to the secretary of defense and
the president, and so that’s what I do,” said...

Researchers Uncover Malware Controlling Thousands of Sites in Parrot TDS Network Matthew Wheeler (Jun 03)
https://thehackernews.com/2022/06/researchers-uncover-malware-controlling.html

The Parrot traffic direction system (TDS) that came to light earlier this
year has had a larger impact than previously thought, according to new
research.

Sucuri, which has been tracking the same campaign since February 2019 under
the name "NDSW/NDSX," said that "the malware was one of the top infections"
detected in 2021, accounting for more than...

FBI, CISA: Don't get caught in Karakurt's extortion web Matthew Wheeler (Jun 03)
https://www.theregister.com/2022/06/03/fbi_cisa_warn_karakurt_extortion/

The Feds have warned organizations about a lesser-known extortion gang
Karakurt, which demands ransoms as high as $13 million and, some
cybersecurity folks say, may be linked to the notorious Conti crew.

In a joint advisory [PDF] this week, the FBI, CISA and US Treasury
Department outlined technical details about how Karakurt operates, along
with actions to take,...

DOJ Seizes 3 Web Domains Used to Sell Stolen Data and DDoS Services Matthew Wheeler (Jun 02)
https://thehackernews.com/2022/06/doj-seizes-3-web-domains-used-to-sell.html

The U.S. Department of Justice (DoJ) on Wednesday announced the seizure of
three domains used by cybercriminals to trade stolen personal information
and facilitate distributed denial-of-service (DDoS) attacks for hire.

This includes weleakinfo[.]to, ipstress[.]in, and ovh-booter[.]com, the
former of which allowed its users to traffic hacked personal data and
offered a...

Chinese Hackers Begin Exploiting Latest Microsoft Office Zero-Day Vulnerability Matthew Wheeler (Jun 02)
https://thehackernews.com/2022/05/chinese-hackers-begin-exploiting-latest.html

An advanced persistent threat (APT) actor aligned with Chinese state
interests has been observed weaponizing the new zero-day flaw in Microsoft
Office to achieve code execution on affected systems.

"TA413 CN APT spotted [in-the-wild] exploiting the Follina zero-day using
URLs to deliver ZIP archives which contain Word Documents that use the
technique,"...

US military hackers conducting offensive operations in support of Ukraine, says head of Cyber Command Matthew Wheeler (Jun 02)
https://www.three.fm/news/world-news/us-military-hackers-conducting-offensive-operations-in-support-of-ukraine-says-head-of-cyber-command/

US military hackers have conducted offensive operations in support of
Ukraine, the head of US Cyber Command has told Sky News.

In an exclusive interview, General Paul Nakasone also explained how "hunt
forward" operations were allowing the United States to search out foreign
hackers and identify...

SideWinder Hackers Launched Over a 1, 000 Cyber Attacks Over the Past 2 Years Matthew Wheeler (May 31)
https://thehackernews.com/2022/05/sidewinder-hackers-launched-over-1000.html

An "aggressive" advanced persistent threat (APT) group known as SideWinder
has been linked to over 1,000 new attacks since April 2020.

"Some of the main characteristics of this threat actor that make it stand
out among the others, are the sheer number, high frequency and persistence
of their attacks and the large collection of encrypted and obfuscated...

Hackers are Selling US University Credentials Online, FBI Says Matthew Wheeler (May 31)
https://tech.co/news/hackers-are-selling-us-university-credentials-online-fbi-says

The Federal Bureau of Investigation has warned US universities and colleges
that it has found banks of login credentials and other data relating to VPN
access circulating on cybercriminals forums.

The fear is that such data will be sold and subsequently used by malicious
actors to orchestrate attacks on other accounts owned by the same students,
in the hope...

Interpol Nabs 3 Nigerian Scammers Behind Malware-based Attacks Matthew Wheeler (May 31)
https://thehackernews.com/2022/05/interpol-nabs-3-nigerian-scammers.html

Interpol on Monday announced the arrest of three suspected global scammers
in Nigeria for using remote access trojans (RATs) such as Agent Tesla to
facilitate malware-enabled cyber fraud.

"The men are thought to have used the RAT to reroute financial
transactions, stealing confidential online connection details from
corporate organizations, including oil and gas...

U.S. Warns Against North Korean Hackers Posing as IT Freelancers Matthew Wheeler (May 18)
https://thehackernews.com/2022/05/us-warns-against-north-korean-hackers.html

Highly skilled software and mobile app developers from the Democratic
People's Republic of Korea (DPRK) are posing as "non-DPRK nationals" in
hopes of landing freelance employment in an attempt to enable the regime's
malicious cyber intrusions.

That's according to a joint advisory from the U.S. Department of State, the
Department of the...

FBI and NSA say: Stop doing these 10 things that let the hackers in Matthew Wheeler (May 18)
https://www.zdnet.com/article/fbi-and-nsa-say-stop-doing-these-10-things-that-let-the-hackers-in/

Cyber attackers regularly exploit unpatched software vulnerabilities, but
they "routinely" target security misconfigurations for initial access, so
the US Cybersecurity and Infrastructure Security Agency (CISA) and its
peers have created a to-do list for defenders in today's heightened threat
environment.

CISA, the FBI and National...

Fifth of Businesses Say Cyber-Attack Nearly Broke Them Matthew Wheeler (May 18)
https://www.infosecurity-magazine.com/news/fifth-of-businesses-cyber-attack/

A fifth of US and European businesses have warned that a serious
cyber-attack nearly rendered them insolvent, with most (87%) viewing
compromise as a bigger threat than an economic downturn, according to
Hiscox.

The insurer polled over 5000 businesses in the US, UK, Ireland, France,
Spain, Germany, the Netherlands and Belgium to compile its annual Hiscox
Cyber...

Hacker And Ransomware Designer Charged For Use And Sale Of Ransomware, And Profit Sharing Arrangements With Cybercriminals Matthew Wheeler (May 18)
https://www.shorenewsnetwork.com/2022/05/16/hacker-and-ransomware-designer-charged-for-use-and-sale-of-ransomware-and-profit-sharing-arrangements-with-cybercriminals/

A criminal complaint was unsealed today in federal court in Brooklyn, New
York, charging Moises Luis Zagala Gonzalez (Zagala), also known as
“Nosophoros,” “Aesculapius” and “Nebuchadnezzar,” a citizen of France and
Venezuela who resides in Venezuela, with attempted...

State of Ransomware shows huge growth in threat and impacts Matthew Wheeler (May 04)
https://www.continuitycentral.com/index.php/news/technology/7275-state-of-ransomware-shows-huge-growth-in-threat-and-impacts

Sophos has released its annual survey and review of real-world ransomware
experiences in its ‘State of Ransomware 2022’ report. This shows that 66
percent of organizations surveyed were hit with ransomware in 2021, up from
37 percent in 2020.

The average ransom paid by organizations that had data encrypted in their...

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Snort Subscriber Rules Update 2026-05-21 Research via Snort-sigs (May 21)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the and server-webapp
rule sets to provide coverage for emerging threats from these
technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2026-05-19 Research via Snort-sigs (May 19)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the file-other,
file-pdf, malware-cnc and server-webapp rule sets to provide coverage
for emerging threats from these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2026-05-14 Research via Snort-sigs (May 14)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the and server-webapp
rule sets to provide coverage for emerging threats from these
technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2026-05-12 Research via Snort-sigs (May 12)
Talos Snort Subscriber Rules Update

Synopsis:
Talos is aware of vulnerabilities affecting products from Microsoft
Corporation.

Details:
Microsoft Vulnerability CVE-2026-33835:
A coding deficiency exists in Microsoft Windows Cloud Files Mini Filter
Driver that may lead to an escalation of privilege.

Rules to detect attacks targeting these vulnerabilities are included in
this release and are identified with:
Snort 2: GID 1, SIDs 66438 through...

Sharing my Stack Overflow Blog article on SnortML and agentic AI Samaresh Kumar Singh via Snort-sigs (May 12)
Hello Snort community,

I wanted to share my new article on SnortML that was published today on the
Stack Overflow Blog:

https://stackoverflow.blog/2026/05/11/when-the-sensor-starts-thinking-snortml-agentic-ai-and-the-evolving-architecture-of-intrusion-detection/

The article discusses how SnortML, agentic AI, and intelligent sensor-level
reasoning could influence the next phase of intrusion detection
architecture. I tried to explore how AI can...

Snort Subscriber Rules Update 2026-05-07 Research via Snort-sigs (May 07)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the and server-webapp
rule sets to provide coverage for emerging threats from these
technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2026-05-05 Research via Snort-sigs (May 05)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the and server-webapp
rule sets to provide coverage for emerging threats from these
technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2026-04-30 Research via Snort-sigs (Apr 30)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the malware-cnc and
server-webapp rule sets to provide coverage for emerging threats from
these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2026-04-28 Research via Snort-sigs (Apr 28)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the file-other,
file-pdf, malware-cnc and server-webapp rule sets to provide coverage
for emerging threats from these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2026-04-23 Research via Snort-sigs (Apr 23)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the and server-webapp
rule sets to provide coverage for emerging threats from these
technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2026-04-21 Research via Snort-sigs (Apr 21)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the os-windows,
protocol-scada and server-webapp rule sets to provide coverage for
emerging threats from these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2026-04-16 Research via Snort-sigs (Apr 16)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the os-windows and
server-webapp rule sets to provide coverage for emerging threats from
these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2026-04-14 Research via Snort-sigs (Apr 14)
Talos Snort Subscriber Rules Update

Synopsis:
Talos is aware of vulnerabilities affecting products from Microsoft
Corporation.

Details:
Microsoft Vulnerability CVE-2026-26169:
A coding deficiency exists in Microsoft Windows Kernel Memory that may
lead to an information disclosure.

Rules to detect attacks targeting these vulnerabilities are included in
this release and are identified with:
Snort 2: GID 1, SIDs 66242 through 66243,
Snort 3: GID...

Snort Subscriber Rules Update 2026-04-09 Research via Snort-sigs (Apr 09)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the and server-webapp
rule sets to provide coverage for emerging threats from these
technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories

Snort Subscriber Rules Update 2026-04-07 Research via Snort-sigs (Apr 07)
Talos Snort Subscriber Rules Update

Synopsis:
This release adds and modifies rules in several categories.

Details:
Talos has added and modified multiple rules in the malware-cnc,
malware-other and server-webapp rule sets to provide coverage for
emerging threats from these technologies.

For a complete list of new and modified rules please see:

https://www.snort.org/advisories