CVE-2026-65182

Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass if a constraint for a longer path is specified before a more restrictive constraint for a shorter sub-path. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Users are recommended to upgrade to version 11.0.25, 10.1.58, 9.0.121, which fixes the issue.

Score

CVSS 3.1 9.1 Critical

Status

Analyzed - security@apache.org

Published

2026-08-25

Last modified

2026-08-26

Weaknesses

CWE-284, CWE-863

Affected products

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

References

• https://lists.apache.org/thread/joosxvzc9b49ttj8lj0jw9mqt0ml767m
• http://www.openwall.com/lists/oss-security/2026/08/26/1