GitHub Advisoryadvisory · Maven
GHSA-gcx9-497g-6cp6 Apache Tomcat has an Improper Access Control, Incorrect Authorization vulnerability
CRITICAL
Official page ↗
- Aliases
- CVE-2026-65182
- Ecosystem
- Maven
- Packages
- org.apache.tomcat:tomcat, org.apache.tomcat:tomcat-catalina, org.apache.tomcat.embed:tomcat-embed-core
- Severity
- Critical
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weaknesses
- CWE-284
- Reviewed
- 2026-09-02
Affected packages
• Maven org.apache.tomcat:tomcat: >= 11.0.0-M1, < 11.0.25 → fixed in 11.0.25
• Maven org.apache.tomcat:tomcat: >= 10.1.0-M1, < 10.1.58 → fixed in 10.1.58
• Maven org.apache.tomcat:tomcat: >= 9.0.0-M1, < 9.0.121 → fixed in 9.0.121
• Maven org.apache.tomcat:tomcat: >= 8.5.0, <= 8.5.100 (no fix yet)
• Maven org.apache.tomcat:tomcat: >= 7.0.0, <= 7.0.109 (no fix yet)
• Maven org.apache.tomcat:tomcat-catalina: >= 11.0.0-M1, < 11.0.25 → fixed in 11.0.25
• Maven org.apache.tomcat:tomcat-catalina: >= 10.1.0-M1, < 10.1.58 → fixed in 10.1.58
• Maven org.apache.tomcat:tomcat-catalina: >= 9.0.0-M1, < 9.0.121 → fixed in 9.0.121
• Maven org.apache.tomcat:tomcat-catalina: >= 8.5.0, <= 8.5.100 (no fix yet)
• Maven org.apache.tomcat:tomcat-catalina: >= 7.0.0, <= 7.0.109 (no fix yet)
• Maven org.apache.tomcat.embed:tomcat-embed-core: >= 11.0.0-M1, < 11.0.25 → fixed in 11.0.25
• Maven org.apache.tomcat.embed:tomcat-embed-core: >= 10.1.0-M1, < 10.1.58 → fixed in 10.1.58
• Maven org.apache.tomcat.embed:tomcat-embed-core: >= 9.0.0-M1, < 9.0.121 → fixed in 9.0.121
• Maven org.apache.tomcat.embed:tomcat-embed-core: >= 8.5.0, <= 8.5.100 (no fix yet)
• Maven org.apache.tomcat.embed:tomcat-embed-core: >= 7.0.0, <= 7.0.109 (no fix yet)
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.
Related
Alias · CVE (1)
- CVE-2026-65182 Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass if a constraint for a… vulnerability
Weakness · CWE (1)
- CWE-284 Improper Access Control weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-65182 advisory
- 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 web