CVE-2026-34500: Apache Tomcat: CLIENT_CERT authentication does not fail as expected
(updated )
CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116.
Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue.
References
- github.com/advisories/GHSA-24j9-x2wg-9qv6
- github.com/apache/tomcat/commit/29b56a56ce9e7d044b6162a99af0f38529b3a208
- github.com/apache/tomcat/commit/c13e60e732ea6d07087293a41ad1866c20848271
- github.com/apache/tomcat/commit/ff589ab26e8250a2ca4286d986305318c033ff9f
- lists.apache.org/thread/7rcl4zdxryc8hy3htyfyxkbqpxjtfdl2
- nvd.nist.gov/vuln/detail/CVE-2026-34500
- tomcat.apache.org/security-10.html
- tomcat.apache.org/security-11.html
- tomcat.apache.org/security-9.html
Code Behaviors & Features
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