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-admin-webappsUpgrade tomcat-libUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-el-3.0-apiUpgrade tomcat-webappsUpgrade tomcatUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-docs-webapp | Oct 11, 2026 | Sep 17, 2026 |
| Amazon Linux Ami 2 | — | Upgrade tomcat-admin-webappsUpgrade tomcat-webappsUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-libUpgrade tomcatUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-el-3.0-apiUpgrade tomcat-jsvcUpgrade tomcat-docs-webapp | Aug 2, 2026 | Aug 2, 2026 |
| Apache Tomcat | — | Upgrade Apache Tomcat to 9.0.120Upgrade Apache Tomcat to 10.1.57Upgrade Apache Tomcat to 11.0.24Upgrade Apache Tomcat to the latest available version | Jul 16, 2026 | Jul 14, 2026 |
| Debian | — | Upgrade tomcat9 | Jul 19, 2026 | Jul 19, 2026 |
| Redhat_linux | — | Upgrade tomcat9-webappsUpgrade tomcat9Upgrade tomcat-libUpgrade tomcat-admin-webappsUpgrade tomcat9-jsp-2.3-apiUpgrade tomcat-docs-webappUpgrade tomcat-servlet-4.0-apiUpgrade tomcat9-servlet-4.0-apiUpgrade tomcat9-docs-webappUpgrade tomcat-jsp-2.3-apiUpgrade tomcat9-libUpgrade tomcat9-admin-webappsUpgrade tomcat-el-3.0-apiUpgrade tomcatUpgrade tomcat9-el-3.0-apiUpgrade tomcat-webappsNo solution exists | 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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