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Servers and applications

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…

Severity
High 7.3
Published
29 Jun 2026
Last changed
2 Jul 2026
Added to UpHeron
21 Oct 2026
Fixed in
9.0.119, 10.1.56, 11.0.23
Sources
NVD

Affected software

SoftwareAffected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat
  • From 8.5.0 up to 8.5.100
  • From 9.0.0 before 9.0.119
  • From 10.1.0 before 10.1.56
  • From 11.0.0 before 11.0.23

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-53404
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-53404