What is GHSA-5q2g-877c-9cwh?

GHSA-5q2g-877c-9cwh is a security advisory published by GitHub Security Advisories with Critical severity. A missing critical step in authentication vulnerability in Apache Tomcat when the JNDI realm was...

Which CVE IDs does GHSA-5q2g-877c-9cwh cover?

GHSA-5q2g-877c-9cwh covers the following CVE IDs: CVE-2026-101296. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-5q2g-877c-9cwhCritical

A missing critical step in authentication vulnerability in Apache Tomcat when the JNDI realm was...

Vendor

GitHub Security Advisories

Published

October 20, 2026

Last Modified

October 20, 2026

🔗 CVE IDs covered (1)

CVE-2026-101296 →

📋 Description

A missing critical step in authentication vulnerability in Apache Tomcat when the JNDI realm was configured with with a non GSSAPI SASL authentication mechanism allowed attackers to authenticate without providing the correct password.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.26, from 10.1.0-M1 through 10.1.60, from 9.0.0.M1 through 9.0.122.

The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected.

Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-101296
https://lists.apache.org/thread.html/bl52b9go9ckoov8x4v3dt6rkm573cygd
http://www.openwall.com/lists/oss-security/2026/10/20/26
https://github.com/advisories/GHSA-5q2g-877c-9cwh