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Insufficient Technical Documentation vulnerability in Apache Tomcat since the requirements to securely configure the EncryptInterceptor were not clearly documented.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.13 through 9.0.119, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109. Other versions that have reached end of support may also be affected.
Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120 which fix the issue.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade tomcat-webappsUpgrade tomcat-docs-webappUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-el-3.0-apiUpgrade tomcatUpgrade tomcat-admin-webappsUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-lib | Oct 11, 2026 | Sep 17, 2026 |
| Amazon Linux Ami 2 | — | Upgrade tomcat-webappsUpgrade tomcat-admin-webappsUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-libUpgrade tomcat-el-3.0-apiUpgrade tomcat-jsvcUpgrade tomcat-docs-webappUpgrade tomcat-servlet-4.0-apiUpgrade tomcat | Aug 2, 2026 | Aug 2, 2026 |
| Apache Tomcat | — | Upgrade Apache Tomcat to 9.0.120Upgrade Apache Tomcat to 10.1.57Upgrade Apache Tomcat to the latest available versionUpgrade Apache Tomcat to 11.0.24 | Jul 16, 2026 | Jul 14, 2026 |
| Debian | — | Upgrade tomcat9 | Jul 19, 2026 | Jul 19, 2026 |
| Oracle_linux | — | Upgrade tomcat-jsp-2.3-apiUpgrade tomcatUpgrade tomcat-docs-webappUpgrade tomcat-el-3.0-apiUpgrade tomcat-webappsUpgrade tomcat-admin-webappsUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-lib | Oct 22, 2026 | Jul 14, 2026 |
| Redhat_linux | — | Upgrade tomcat9-el-3.0-apiUpgrade tomcat9-libUpgrade tomcat-docs-webappUpgrade tomcatUpgrade tomcat9-servlet-4.0-apiUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-webappsUpgrade tomcat9-docs-webappUpgrade tomcat-el-3.0-apiUpgrade tomcat9-admin-webappsNo solution existsUpgrade tomcat9Upgrade tomcat-admin-webappsUpgrade tomcat9-webappsUpgrade tomcat-libUpgrade tomcat9-jsp-2.3-api | Jul 31, 2026 | Jul 14, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 23, 2026 | Jul 14, 2026 |
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