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Critical severity9.8NVD Advisory· Published Apr 28, 2025· Updated Jun 17, 2026

CVE-2025-31651

CVE-2025-31651

Description

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 [FIXED_VERSION], which fixes the issue.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
org.apache.tomcat:tomcat-catalinaMaven
>= 9.0.76, < 9.0.1049.0.104
org.apache.tomcat:tomcat-catalinaMaven
>= 10.1.10, < 10.1.4010.1.40
org.apache.tomcat:tomcat-catalinaMaven
>= 11.0.0-M2, < 11.0.611.0.6
org.apache.tomcat.embed:tomcat-embed-coreMaven
>= 9.0.76, < 9.0.1049.0.104
org.apache.tomcat.embed:tomcat-embed-coreMaven
>= 10.1.10, < 10.1.4010.1.40
org.apache.tomcat.embed:tomcat-embed-coreMaven
>= 11.0.0-M2, < 11.0.611.0.6
org.apache.tomcat:tomcat-catalinaMaven
>= 8.5.0, <= 8.5.100—
org.apache.tomcat.embed:tomcat-embed-coreMaven
>= 8.5.0, <= 8.5.100—

Affected products

62

Patches

Vulnerability mechanics

References

12

News mentions

0

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