CVE-2026-47341: Apache APISIX: Session replay issue in hmac-auth

[Abhishek Choudhary <shreemaanabhishek () apache org>]

Severity: 

Affected versions:

- Apache APISIX 3.11.0 through 3.16.0

Description:

Authentication Bypass by Capture-replay vulnerability in Apache APISIX.

Attacker can benefit from certain configurations in hmac-auth to re-use a token forever, bypassing expiry.
This issue affects Apache APISIX: from 3.11.0 through 3.16.0.

Users are recommended to upgrade to version 3.17.0, which fixes the issue.

Credit:

leon (reporter)

References:

https://apisix.apache.org
https://www.cve.org/CVERecord?id=CVE-2026-47341