critical9.1
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 specif…
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.apache.tomcat:tomcat | >= 11.0.0-M1, < 11.0.25 | 11.0.25 |
| maven | org.apache.tomcat:tomcat-catalina | >= 11.0.0-M1, < 11.0.25 | 11.0.25 |
| maven | org.apache.tomcat.embed:tomcat-embed-core | >= 11.0.0-M1, < 11.0.25 | 11.0.25 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Apache | Tomcat | from 7.0.0 through 7.0.109 from 8.5.0 before 9.0.121 from 10.1.0 before 10.1.58 from 11.0.0 before 11.0.25 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-gcx9-497g-6cp6
- https://nvd.nist.gov/vuln/detail/CVE-2026-65182
- https://lists.apache.org/thread/joosxvzc9b49ttj8lj0jw9mqt0ml767m
- http://www.openwall.com/lists/oss-security/2026/08/26/1
- https://github.com/apache/tomcat/commit/8bafd79a3b54684e80e9cb1bafd4746aede7d3f5
- https://github.com/apache/tomcat/commit/b2c56ec8f20c66773a1a813034ffcdb60841f1cf
- https://github.com/apache/tomcat/commit/b79752d2a8578d94743e2a95c50af297f780c0df
- https://tomcat.apache.org/security-10.html
- https://tomcat.apache.org/security-11.html
- https://tomcat.apache.org/security-9.html