[kubernetes] Multiple issues in ingress-nginx

[Tabitha Sable <tabitha.c.sable () gmail com>]

Hello Kubernetes Community,

Multiple issues are disclosed today in ingress-nginx, and assigned the
following CVE IDs: CVE-2026-1580
<https://github.com/kubernetes/kubernetes/issues/136677>, CVE-2026-24512
<https://github.com/kubernetes/kubernetes/issues/136678>, CVE-2026-24513
<https://github.com/kubernetes/kubernetes/issues/136679>, CVE-2026-24514
<https://github.com/kubernetes/kubernetes/issues/136680>.

The most serious of these issues have been rated HIGH (CVSS calculator
<https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H>,
score: 8.8).
Am I vulnerable?

This issue affects ingress-nginx. If you do not have ingress-nginx
installed on your cluster, you are not affected. You can check this by
running `kubectl get pods --all-namespaces --selector
app.kubernetes.io/name=ingress-nginx`.
Affected Versions

   -

   ingress-nginx: < v1.13.7
   -

   ingress-nginx: < v1.14.3

How do I mitigate this vulnerability?

ACTION REQUIRED: The following steps must be taken to mitigate this
vulnerability: Upgrade ingress-nginx to v1.13.7, v1.14.3, or any later
version.

Certain of these issues can be partially mitigated before patching. Please
see their respective GitHub issues.
Fixed Versions

   -

   ingress-nginx: v1.13.7
   -

   ingress-nginx: v1.14.3

How to upgrade?

To upgrade, refer to the documentation: Upgrading Ingress-nginx
<https://kubernetes.github.io/ingress-nginx/deploy/upgrade/>
Detection

Detection information for most of the vulns can be found in their
respective GitHub issues.

If you find evidence that this vulnerability has been exploited, please
contact security () kubernetes io
Additional Details

For further information, please see the following GitHub issues:


   -

   CVE-2026-1580 <https://github.com/kubernetes/kubernetes/issues/136677>
   -

   CVE-2026-24512 <https://github.com/kubernetes/kubernetes/issues/136678>
   -

   CVE-2026-24513 <https://github.com/kubernetes/kubernetes/issues/136679>
   -

   CVE-2026-24514 <https://github.com/kubernetes/kubernetes/issues/136680>


Thank You,

Tabitha Sable, on behalf of the Kubernetes Security Response Committee