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.

Affected Software

VendorProductVersion RangeStatus
Apache Software FoundationApache Tomcat11.0.0-M1 <= 11.0.22affected
Apache Software FoundationApache Tomcat10.1.0-M1 <= 10.1.55affected
Apache Software FoundationApache Tomcat9.0.0.M1 <= 9.0.118affected
Apache Software FoundationApache Tomcat8.5.0 <= 8.5.100affected
Apache Software FoundationApache Tomcat0 < 8.0.0unaffected

Weaknesses

  • CWE-670: CWE-670 Always-Incorrect Control Flow Implementation

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References