Apache Tomcat has an Improper Access Control, Incorrect Authorization vulnerability
GHSA-gcx9-497g-6cp6 · BIT-tomcat-2026-65182 · CVE-2026-65182
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Description
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
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-65182
- WEB https://github.com/apache/tomcat/commit/8bafd79a3b54684e80e9cb1bafd4746aede7d3f5
- WEB https://github.com/apache/tomcat/commit/b2c56ec8f20c66773a1a813034ffcdb60841f1cf
- WEB https://github.com/apache/tomcat/commit/b79752d2a8578d94743e2a95c50af297f780c0df
- WEB https://lists.apache.org/thread/joosxvzc9b49ttj8lj0jw9mqt0ml767m
- WEB https://tomcat.apache.org/security-10.html
- WEB https://tomcat.apache.org/security-11.html
- WEB https://tomcat.apache.org/security-9.html
- WEB http://www.openwall.com/lists/oss-security/2026/08/26/1
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