CVE-2026-53404

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.

Score

CVSS 3.1 7.3 High

Status

Analyzed - security@apache.org

Published

2026-06-29

Last modified

2026-10-25

Weaknesses

CWE-670

Affected products

• Tomcat (Apache)
• Apache Tomcat (Apache Software Foundation)

References

• https://lists.apache.org/thread/rdhpghgfskrdmw9hqzjgjrtw538smpmz
• http://www.openwall.com/lists/oss-security/2026/06/29/21