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GHSA-9m3c-qcxr-9x87

Apache Tomcat has an Open Redirect vulnerability

Source: GitHub Advisory Database (reviewed) Moderate CVE-2026-25854

Packages

EcosystemPackageAffectedFixed in
Maven org.apache.tomcat:tomcat-catalina >= 8.5.30, < 9.0.116 9.0.116
Maven org.apache.tomcat:tomcat-catalina >= 10.1.0-M1, < 10.1.53 10.1.53
Maven org.apache.tomcat:tomcat-catalina >= 11.0.0-M1, < 11.0.20 11.0.20
Maven org.apache.tomcat:tomcat >= 8.5.30, < 9.0.116 9.0.116
Maven org.apache.tomcat:tomcat >= 10.1.0-M1, < 10.1.53 10.1.53
Maven org.apache.tomcat:tomcat >= 11.0.0-M1, < 11.0.20 11.0.20
Maven org.apache.tomcat.embed:tomcat-embed-core >= 8.5.30, < 9.0.116 9.0.116
Maven org.apache.tomcat.embed:tomcat-embed-core >= 10.1.0-M1, < 10.1.53 10.1.53
Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M1, < 11.0.20 11.0.20

Details

As written in the advisory (Markdown source, shown as plain text).

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.

References

External links from the advisory. They lead to third-party sites.