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Improper Authorization vulnerability in Apache Tomcat leads to security constraints specified for the default servlet ignoring any method or method omission configured as part of the constraint.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected.
Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade tomcatUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-webappsUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-el-3.0-apiUpgrade tomcat-docs-webappUpgrade tomcat-admin-webappsUpgrade tomcat-lib | Oct 11, 2026 | Sep 17, 2026 |
| Amazon Linux Ami 2 | — | Upgrade tomcat-libUpgrade tomcat-webappsUpgrade tomcat-admin-webappsUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-el-3.0-apiUpgrade tomcat-docs-webappUpgrade tomcat-servlet-4.0-apiUpgrade tomcatUpgrade tomcat-jsvc | Jul 21, 2026 | Jul 21, 2026 |
| Apache Tomcat | — | Upgrade Apache Tomcat to 11.0.23Upgrade Apache Tomcat to 10.1.56Upgrade Apache Tomcat to 9.0.119Upgrade Apache Tomcat to the latest available version | Jun 30, 2026 | Jun 29, 2026 |
| Debian | — | Upgrade tomcat9 | Jul 1, 2026 | Jul 1, 2026 |
| Redhat_linux | — | Upgrade jws6-tomcat-jsp-3.1-apiUpgrade tomcat-el-3.0-apiUpgrade jws6-tomcat-admin-webappsUpgrade jws7-ecjUpgrade jws7-tomcat-native-debuginfoUpgrade tomcat9-admin-webappsUpgrade jws6-tomcat-servlet-6.0-apiUpgrade jws7-tomcat-libUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-docs-webappUpgrade jws7-tomcat-vault-javadocUpgrade tomcat-servlet-4.0-apiUpgrade jws7-buildUpgrade jws7-tomcat-el-5.0-apiUpgrade jws6-tomcat-libUpgrade jws7-javapackages-toolsUpgrade jws7-tomcat-vaultUpgrade tomcat9-el-3.0-apiUpgrade tomcat9-docs-webappUpgrade tomcatUpgrade tomcat9-webappsUpgrade tomcat9-libUpgrade jws6-tomcat-webappsUpgrade jws7-tomcat-jsp-3.1-apiUpgrade jws7-javapackages-filesystemUpgrade jws7-tomcatUpgrade jws6-tomcat-docs-webappUpgrade jws7-tomcat-javadocUpgrade jws6-tomcatUpgrade jws7-mod_cluster-tomcatUpgrade jws7-jboss-loggingUpgrade jws7-runtimeUpgrade tomcat9-servlet-4.0-apiUpgrade jws6-tomcat-el-5.0-apiUpgrade jws7-mod_clusterUpgrade tomcat-admin-webappsUpgrade jws7-tomcat-admin-webappsUpgrade tomcat-libUpgrade tomcat-webappsUpgrade jws7-tomcat-servlet-6.0-apiUpgrade jws7-tomcat-selinuxUpgrade tomcat9Upgrade jws7-tomcat-webappsUpgrade jws7-tomcat-docs-webappUpgrade jws6-tomcat-selinuxUpgrade tomcat9-jsp-2.3-apiNo solution existsUpgrade jws7-python3-javapackagesUpgrade jws6-tomcat-javadocUpgrade jws7-tomcat-native | Jul 17, 2026 | Jun 29, 2026 |
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