Bug 2524160 (CVE-2026-68569) - CVE-2026-68569 tomcat: Apache Tomcat: Improper Authentication due to principal lookup failure
Summary: CVE-2026-68569 tomcat: Apache Tomcat: Improper Authentication due to principa...
Keywords:
Status: NEW
Alias: CVE-2026-68569
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:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-25 22:02 UTC by OSIDB Bzimport
Modified: 2026-10-01 22:11 UTC (History)
8 users (show)

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

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:73981 0 None None None 2026-10-01 22:11:31 UTC
Red Hat Product Errata RHSA-2026:73982 0 None None None 2026-10-01 16:24:23 UTC

Description OSIDB Bzimport 2026-08-25 22:02:20 UTC 
Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g. CLIENT-CERT, SPNEGO) that a user would be authenticated even if the user did not exist in the DataSourceRealm.



This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.







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 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
Comment 2 Jon Orris 2026-10-01 16:24:22 UTC 
This issue has been addressed in the following products:

  Red Hat JBoss Web Server 6.2.5

Via RHSA-2026:73982 https://access.redhat.com/errata/RHSA-2026:73982
Comment 3 Jon Orris 2026-10-01 22:11:30 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-2026:73981 https://access.redhat.com/errata/RHSA-2026:73981
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