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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apache Tomcat | — | Upgrade Apache Tomcat to the latest available versionUpgrade Apache Tomcat to 11.0.25Upgrade Apache Tomcat to 10.1.59Upgrade Apache Tomcat to 9.0.121 | Aug 26, 2026 | Aug 25, 2026 |
| Debian | — | Upgrade tomcat9 | Aug 27, 2026 | Aug 27, 2026 |
| Redhat_linux | — | Upgrade jws7-tomcat-selinuxUpgrade jws6-tomcat-selinuxUpgrade jws7-tomcat-admin-webappsUpgrade jws6-tomcat-el-5.0-apiUpgrade jws6-tomcat-jsp-3.1-apiUpgrade jws7-tomcat-jsp-3.1-apiUpgrade jws6-tomcat-admin-webappsUpgrade jws7-tomcat-webappsUpgrade jws6-tomcat-libUpgrade jws6-tomcatUpgrade jws7-tomcat-libUpgrade jws7-tomcat-servlet-6.0-apiUpgrade jws7-tomcat-docs-webappUpgrade jws6-tomcat-webappsUpgrade jws7-tomcat-el-5.0-apiUpgrade jws7-tomcat-javadocNo solution existsUpgrade jws6-tomcat-javadocUpgrade jws6-tomcat-servlet-6.0-apiUpgrade jws6-tomcat-docs-webappUpgrade jws7-tomcat | Sep 9, 2026 | Aug 25, 2026 |
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