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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 tomcat-libUpgrade tomcat-admin-webappsUpgrade tomcatUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-el-3.0-apiUpgrade tomcat-docs-webappUpgrade tomcat-webapps | Oct 11, 2026 | Sep 17, 2026 |
| Amazon Linux Ami 2 | — | Upgrade tomcatUpgrade tomcat-jsvcUpgrade tomcat-docs-webappUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-el-3.0-apiUpgrade tomcat-webappsUpgrade tomcat-admin-webappsUpgrade tomcat-lib | Jul 21, 2026 | Jul 21, 2026 |
| Apache Tomcat | — | Upgrade Apache Tomcat to 10.1.56Upgrade Apache Tomcat to 9.0.119Upgrade Apache Tomcat to the latest available versionUpgrade Apache Tomcat to 11.0.23 | Jun 30, 2026 | Jun 29, 2026 |
| Debian | — | Upgrade tomcat9 | Jul 1, 2026 | Jul 1, 2026 |
| Redhat_linux | — | Upgrade tomcat9-docs-webappUpgrade jws7-tomcat-vaultUpgrade tomcat9-el-3.0-apiUpgrade jws7-tomcatUpgrade jws7-buildUpgrade jws7-tomcat-vault-javadocUpgrade jws6-tomcat-jsp-3.1-apiUpgrade jws6-tomcat-admin-webappsUpgrade tomcat9-admin-webappsUpgrade jws7-ecjUpgrade jws6-tomcatUpgrade jws7-tomcat-jsp-3.1-apiUpgrade jws7-tomcat-libUpgrade jws7-tomcat-native-debuginfoUpgrade tomcatUpgrade jws7-tomcat-el-5.0-apiUpgrade jws6-tomcat-libUpgrade tomcat-el-3.0-apiUpgrade jws7-javapackages-toolsUpgrade tomcat9-webappsUpgrade jws6-tomcat-docs-webappUpgrade jws7-javapackages-filesystemUpgrade tomcat9-libUpgrade jws6-tomcat-webappsUpgrade jws7-tomcat-javadocUpgrade tomcat-jsp-2.3-apiUpgrade jws6-tomcat-servlet-6.0-apiUpgrade tomcat-docs-webappUpgrade tomcat-servlet-4.0-apiUpgrade tomcat9-jsp-2.3-apiUpgrade jws7-python3-javapackagesUpgrade jws7-tomcat-servlet-6.0-apiNo solution existsUpgrade tomcat-admin-webappsUpgrade jws7-jboss-loggingUpgrade jws7-tomcat-selinuxUpgrade tomcat9-servlet-4.0-apiUpgrade jws7-tomcat-nativeUpgrade jws6-tomcat-javadocUpgrade tomcat-libUpgrade tomcat-webappsUpgrade tomcat9Upgrade jws7-tomcat-webappsUpgrade jws7-tomcat-docs-webappUpgrade jws6-tomcat-selinuxUpgrade jws6-tomcat-el-5.0-apiUpgrade jws7-runtimeUpgrade jws7-mod_clusterUpgrade jws7-mod_cluster-tomcatUpgrade jws7-tomcat-admin-webapps | Jul 17, 2026 | Jun 29, 2026 |
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