The Quarterly Threat Landscape Report is out. See what attackers are targeting now.Read report
Session Fixation vulnerability in Apache Tomcat via rewrite valve.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105. Older, EOL versions may also be affected.
Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade tomcat-el-3.0-apiUpgrade tomcat-libUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-admin-webappsUpgrade tomcatUpgrade tomcat-webappsUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-docs-webapp | Oct 11, 2026 | Sep 17, 2026 |
| Amazon Linux Ami 2 | — | Upgrade tomcat-el-3.0-apiUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-libUpgrade tomcat-webappsUpgrade tomcat-admin-webappsUpgrade tomcat-jsp-2.3-apiUpgrade tomcatUpgrade tomcat-jsvcUpgrade tomcat-docs-webapp | May 20, 2026 | May 20, 2026 |
| Apache Tomcat | — | Upgrade Apache Tomcat to 10.1.42Upgrade Apache Tomcat to the latest available versionUpgrade Apache Tomcat to 9.0.106Upgrade Apache Tomcat to 11.0.8 | Aug 14, 2025 | Aug 13, 2025 |
| Debian | — | Upgrade tomcat9Upgrade tomcat11Upgrade tomcat10 | Aug 15, 2025 | Aug 15, 2025 |
| Oracle_linux | — | Upgrade tomcat-servlet-6.0-apiUpgrade tomcat9-webappsUpgrade tomcat-webappsUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-el-3.0-apiUpgrade tomcat9-libUpgrade tomcat-el-5.0-apiUpgrade tomcat-docs-webappUpgrade tomcat-jsp-3.1-apiUpgrade tomcat9-servlet-4.0-apiUpgrade tomcat-admin-webappsUpgrade tomcat9Upgrade tomcat-jsp-2.3-apiUpgrade tomcat9-jsp-2.3-apiUpgrade tomcat9-admin-webappsUpgrade tomcat9-docs-webappUpgrade tomcat-libUpgrade tomcat9-el-3.0-apiUpgrade tomcat | Oct 22, 2026 | Aug 13, 2025 |
| Red Hat Jboss Eap | — | — | Aug 14, 2025 | Aug 13, 2025 |
| Redhat_linux | — | Upgrade tomcat9-el-3.0-apiUpgrade jws6-tomcat-webappsUpgrade jws6-tomcat-el-5.0-apiUpgrade tomcat-webappsUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-servlet-6.0-apiUpgrade tomcat-docs-webappUpgrade tomcat-el-3.0-apiNo solution existsUpgrade jws6-tomcat-selinuxUpgrade jws6-tomcat-libUpgrade tomcat-libUpgrade jws6-tomcat-jsp-3.1-apiUpgrade tomcat-admin-webappsUpgrade tomcat9-webappsUpgrade tomcat9-docs-webappUpgrade tomcat9-servlet-4.0-apiUpgrade jws6-tomcatUpgrade tomcatUpgrade tomcat9-admin-webappsUpgrade tomcat9-jsp-2.3-apiUpgrade jws6-tomcat-admin-webappsUpgrade tomcat9Upgrade tomcat9-libUpgrade jws6-tomcat-servlet-6.0-apiUpgrade tomcat-el-5.0-apiUpgrade jws6-tomcat-javadocUpgrade tomcat-jsp-3.1-apiUpgrade jws6-tomcat-docs-webappUpgrade tomcat-servlet-4.0-api | Mar 9, 2026 | Aug 13, 2025 |
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