Bug 2556187 (CVE-2026-101296) - CVE-2026-101296 tomcat: tomcat: Authentication bypass via non-GSSAPI SASL in JNDI realm
Summary: CVE-2026-101296 tomcat: tomcat: Authentication bypass via non-GSSAPI SASL in ...
Keywords:
Status: NEW
Alias: CVE-2026-101296
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2558428 2558433 2558435
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-20 13:53 UTC by OSIDB Bzimport
Modified: 2026-10-21 18:03 UTC (History)
10 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2026-10-20 13:53:11 UTC 
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.
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