CVE-2026-53404
HighCVSS 7.3Exploitation Probability (EPSS)
Low risk33th percentile — higher than 33% of all known CVEs
Summary
An Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve causes subsequent non-OR conditions to be skipped if the first condition in an OR chain matches.
Risk Assessment
This vulnerability may lead to unexpected behavior of URL rewriting rules, potentially allowing an attacker to bypass security controls or access unauthorized resources.
Recommendation
Upgrade Apache Tomcat to version 11.0.23, 10.1.56, or 9.0.119, which contain the fix.
Original NVD description (English source)
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.