Bug 2558435 - CVE-2026-101296 tomcat: tomcat: Authentication bypass via non-GSSAPI SASL in JNDI realm [fedora-44]
Summary: CVE-2026-101296 tomcat: tomcat: Authentication bypass via non-GSSAPI SASL in ...
Keywords:
Status: CLOSED NEXTRELEASE
Alias: None
Product: Fedora
Classification: Fedora
Component: tomcat
Version: 44
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Dimitris Soumis
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["ea988077-83d5-4afd-add6-1...
Depends On:
Blocks: CVE-2026-101296
TreeView+ depends on / blocked
 
Reported: 2026-10-21 18:03 UTC by Joel Chamberlain
Modified: 2026-10-27 11:49 UTC (History)
6 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2026-10-27 11:49:42 UTC
Type: ---
Embargoed:

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Description Joel Chamberlain 2026-10-21 18:03:12 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

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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