CVE-2026-53434: Apache Tomcat - Invalid CRL configuration doesn't trigger failure for FFM Connector
Detection of Error Condition Without Action vulnerability in Apache Tomcat when configuring CRLs for a FFM based connector. Invalid CRLs were ignored meaning invalid certificates could be accepted.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M7 through 10.1.55, from 9.0.83 through 9.0.118.
Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.
References
- www.openwall.com/lists/oss-security/2026/06/29/22
- github.com/advisories/GHSA-4x29-79gh-6v8q
- github.com/apache/tomcat/commit/7f8ecdbd930d8c5a7fae73aa0eec9124d919e2f5
- lists.apache.org/thread/x510lbq0sfrd1qyo7q3r1mpllgpdcosk
- nvd.nist.gov/vuln/detail/CVE-2026-53434
- 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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