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GHSA-ff77-26x5-69cr

Apache Tomcat Rewrite rule bypass

Source: GitHub Advisory Database (reviewed) Low CVE-2025-31651

Packages

EcosystemPackageAffectedFixed in
Maven org.apache.tomcat:tomcat-catalina >= 9.0.76, < 9.0.104 9.0.104
Maven org.apache.tomcat:tomcat-catalina >= 10.1.10, < 10.1.40 10.1.40
Maven org.apache.tomcat:tomcat-catalina >= 11.0.0-M2, < 11.0.6 11.0.6
Maven org.apache.tomcat.embed:tomcat-embed-core >= 9.0.76, < 9.0.104 9.0.104
Maven org.apache.tomcat.embed:tomcat-embed-core >= 10.1.10, < 10.1.40 10.1.40
Maven org.apache.tomcat.embed:tomcat-embed-core >= 11.0.0-M2, < 11.0.6 11.0.6
Maven org.apache.tomcat:tomcat-catalina >= 8.5.0, <= 8.5.100 no fix listed
Maven org.apache.tomcat.embed:tomcat-embed-core >= 8.5.0, <= 8.5.100 no fix listed

Details

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

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache Tomcat. For a subset of unlikely rewrite rule configurations, it was possible for a specially crafted request to bypass some rewrite rules. If those rewrite rules effectively enforced security constraints, those constraints could be bypassed. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.5, from 10.1.0-M1 through 10.1.39, from 9.0.0.M1 through 9.0.102. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 9.0.104, 10.1.40 or 11.0.6, which fix the issue.

References

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