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Advisory details: gitlab / maven/org.apache.tomcat/tomcat/CVE-2026-53404
Advisory ID gitlab/maven/org.apache.tomcat/tomcat/CVE-2026-53404
Aliases CVE-2026-53404
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 0.0
Risk
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (3)
CWE-670 Always-Incorrect Control Flow Implementation
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
There are no known severity scores.
Reference id Reference type URL
CVE-2026-53404 https://nvd.nist.gov/vuln/detail/CVE-2026-53404
rdhpghgfskrdmw9hqzjgjrtw538smpmz Advisory https://lists.apache.org/thread/rdhpghgfskrdmw9hqzjgjrtw538smpmz
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
There are no known vectors.

There are no SSVC decisions available.