GHSA-gcx9-497g-6cp6
Apache Tomcat has an Improper Access Control, Incorrect Authorization vulnerability
Packages
Details
As written in the advisory (Markdown source, shown as plain text).
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.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2026-65182
- https://github.com/apache/tomcat/commit/8bafd79a3b54684e80e9cb1bafd4746aede7d3f5
- https://github.com/apache/tomcat/commit/b2c56ec8f20c66773a1a813034ffcdb60841f1cf
- https://github.com/apache/tomcat/commit/b79752d2a8578d94743e2a95c50af297f780c0df
- https://lists.apache.org/thread/joosxvzc9b49ttj8lj0jw9mqt0ml767m
- https://tomcat.apache.org/security-10.html
- https://tomcat.apache.org/security-11.html
- https://tomcat.apache.org/security-9.html
- http://www.openwall.com/lists/oss-security/2026/08/26/1