Occasional URL redirection to untrusted Site ('Open Redirect') vulnerability in Apache Tomcat via the LoadBalancerDrainingValve.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M1 through 10.1.52, from 9.0.0.M23 through 9.0.115, from 8.5.30 through 8.5.100. Other, unsupported versions may also be affected
Users are recommended to upgrade to version 11.0.20, 10.1.53 or 9.0.116, which fix the issue.
CVSS Details
- CVSS 3.1 Base Score: 6.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade tomcat-libUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-admin-webappsUpgrade tomcat-docs-webappUpgrade tomcat-webappsUpgrade tomcat-servlet-4.0-apiUpgrade tomcatUpgrade tomcat-el-3.0-api | Oct 11, 2026 | Sep 17, 2026 |
| Amazon Linux Ami 2 | — | Upgrade tomcat-libUpgrade tomcatUpgrade tomcat-jsvcUpgrade tomcat-docs-webappUpgrade tomcat-el-3.0-apiUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-admin-webappsUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-webapps | May 20, 2026 | May 20, 2026 |
| Apache Tomcat | — | Upgrade Apache Tomcat to the latest available versionUpgrade Apache Tomcat to 9.0.116Upgrade Apache Tomcat to 10.1.53Upgrade Apache Tomcat to 11.0.20 | Apr 10, 2026 | Apr 9, 2026 |
| Debian | — | Upgrade tomcat9Upgrade tomcat10Upgrade tomcat11 | Apr 13, 2026 | Apr 13, 2026 |
| Redhat_linux | — | Upgrade tomcat9-jsp-2.3-apiUpgrade tomcat9-libUpgrade tomcat-webappsUpgrade tomcat-servlet-4.0-apiUpgrade jws6-tomcat-webappsUpgrade jws6-tomcat-docs-webappUpgrade tomcat9-el-3.0-apiUpgrade tomcat9-admin-webappsUpgrade jws6-tomcat-javadocUpgrade tomcat9-docs-webappUpgrade tomcat-admin-webappsUpgrade jws6-tomcat-libUpgrade tomcat-docs-webappUpgrade jws6-tomcat-servlet-6.0-apiUpgrade tomcat-jsp-2.3-apiUpgrade jws6-tomcat-selinuxUpgrade tomcat-libUpgrade tomcat9-servlet-4.0-apiUpgrade jws6-tomcat-admin-webappsNo solution existsUpgrade tomcat9-webappsUpgrade jws6-tomcat-el-5.0-apiUpgrade tomcat9Upgrade tomcat-el-3.0-apiUpgrade jws6-tomcat-jsp-3.1-apiUpgrade tomcatUpgrade jws6-tomcat | May 28, 2026 | Apr 9, 2026 |
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