Improper Authorization vulnerability when multiple method constraints define an HTTP method for the same extension in Apache Tomcat.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.
Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade tomcat-libUpgrade tomcat-webappsUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-el-3.0-apiUpgrade tomcat-admin-webappsUpgrade tomcatUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-docs-webapp | Oct 11, 2026 | Sep 17, 2026 |
| Amazon Linux Ami 2 | — | Upgrade tomcat-libUpgrade tomcat-webappsUpgrade tomcat-docs-webappUpgrade tomcat-el-3.0-apiUpgrade tomcatUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-jsvcUpgrade tomcat-admin-webapps | Jun 9, 2026 | Jun 9, 2026 |
| Apache Tomcat | — | Upgrade Apache Tomcat to 9.0.118Upgrade Apache Tomcat to 10.1.55Upgrade Apache Tomcat to the latest available versionUpgrade Apache Tomcat to 11.0.22 | May 12, 2026 | May 12, 2026 |
| Atlassian Jira | — | Upgrade to the latest version of Atlassian JIRA | Jun 17, 2026 | Jun 16, 2026 |
| Debian | — | Upgrade tomcat10Upgrade tomcat11Upgrade tomcat9 | May 14, 2026 | May 14, 2026 |
| Redhat_linux | — | Upgrade jws7-tomcat-nativeUpgrade jws6-tomcat-webappsUpgrade jws7-tomcat-javadocUpgrade jws7-javapackages-filesystemUpgrade jws7-tomcat-vault-javadocUpgrade tomcat9-admin-webappsUpgrade jws7-jboss-loggingUpgrade jws6-tomcat-docs-webappUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-servlet-6.0-apiUpgrade jws7-tomcat-servlet-6.0-apiUpgrade tomcat-servlet-4.0-apiNo solution existsUpgrade tomcat-admin-webappsUpgrade tomcat9-servlet-4.0-apiUpgrade tomcat-webappsUpgrade tomcat9-el-3.0-apiUpgrade jws7-mod_clusterUpgrade tomcat-libUpgrade tomcat-jsp-3.1-apiUpgrade jws7-tomcat-vaultUpgrade tomcatUpgrade tomcat9-libUpgrade jws7-buildUpgrade jws7-tomcat-selinuxUpgrade jws7-tomcatUpgrade jws7-python3-javapackagesUpgrade jws7-tomcat-admin-webappsUpgrade jws6-tomcat-javadocUpgrade jws7-tomcat-webappsUpgrade jws6-tomcatUpgrade jws7-runtimeUpgrade tomcat-el-5.0-apiUpgrade jws7-tomcat-el-5.0-apiUpgrade tomcat-el-3.0-apiUpgrade jws7-ecjUpgrade tomcat9-docs-webappUpgrade tomcat-docs-webappUpgrade jws7-javapackages-toolsUpgrade tomcat9-webappsUpgrade jws6-tomcat-selinuxUpgrade jws6-tomcat-admin-webappsUpgrade tomcat9Upgrade tomcat9-jsp-2.3-apiUpgrade jws6-tomcat-jsp-3.1-apiUpgrade jws6-tomcat-servlet-6.0-apiUpgrade jws7-tomcat-jsp-3.1-apiUpgrade jws6-tomcat-el-5.0-apiUpgrade jws6-tomcat-libUpgrade jws7-tomcat-libUpgrade jws7-tomcat-docs-webappUpgrade jws7-mod_cluster-tomcatUpgrade jws7-tomcat-native-debuginfo | Jul 17, 2026 | May 12, 2026 |
| Ubuntu | — | Upgrade tomcat7 (Ubuntu Pro)Upgrade libtomcat7-java (Ubuntu Pro)Upgrade libtomcat8-embed-java (Ubuntu Pro)Upgrade libtomcat10-embed-javaUpgrade libtomcat6-java (Ubuntu Pro)Upgrade tomcat8-examples (Ubuntu Pro)Upgrade libtomcat10-embed-java (Ubuntu Pro)Upgrade libtomcat11-java (Ubuntu Pro)Upgrade libtomcat10-javaUpgrade libtomcat9-java (Ubuntu Pro)Upgrade tomcat9 (Ubuntu Pro)Upgrade tomcat10 (Ubuntu Pro)Upgrade tomcat6 (Ubuntu Pro)Upgrade libtomcat11-embed-java (Ubuntu Pro)Upgrade tomcat11 (Ubuntu Pro)Upgrade libtomcat9-embed-java (Ubuntu Pro)Upgrade libtomcat9-javaUpgrade libtomcat8-java (Ubuntu Pro)Upgrade tomcat10Upgrade libtomcat10-java (Ubuntu Pro) | Jun 4, 2026 | Jun 4, 2026 |
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub