Bug 2457037 (CVE-2026-29145) - CVE-2026-29145 Apache Tomcat: Apache Tomcat: Authentication bypass due to CLIENT_CERT soft fail misconfiguration
Summary: CVE-2026-29145 Apache Tomcat: Apache Tomcat: Authentication bypass due to CLI...
Keywords:
Status: NEW
Alias: CVE-2026-29145
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2457233
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-09 20:02 UTC by OSIDB Bzimport
Modified: 2026-05-26 12:56 UTC (History)
9 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:20405 0 None None None 2026-05-26 12:56:38 UTC
Red Hat Product Errata RHSA-2026:20406 0 None None None 2026-05-26 12:55:46 UTC

Description OSIDB Bzimport 2026-04-09 20:02:26 UTC 
CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M7 through 10.1.52, from 9.0.83 through 9.0.115; Apache Tomcat Native: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39, from 1.3.0 through 1.3.6, from 2.0.0 through 2.0.13.

Users are recommended to upgrade to version Tomcat Native 1.3.7 or 2.0.14 and Tomcat 11.0.20, 10.1.53 and 9.0.116, which fix the issue.
Comment 3 errata-xmlrpc 2026-05-26 12:55:45 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Web Server 6.2.3

Via RHSA-2026:20406 https://access.redhat.com/errata/RHSA-2026:20406
Comment 4 errata-xmlrpc 2026-05-26 12:56:36 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Web Server 6.2 on RHEL 10
  Red Hat JBoss Web Server 6.2 on RHEL 8
  Red Hat JBoss Web Server 6.2 on RHEL 9

Via RHSA-2026:20405 https://access.redhat.com/errata/RHSA-2026:20405
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