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Apache Tomcat Improper Encoding or Escaping of Output Vulnerability - CVE-2025-31651 - Vulnerability Database
Apache Tomcat

Apache Tomcat Improper Encoding or Escaping of Output Vulnerability - CVE-2025-31651

Critical
Reference: CVE-2025-31651
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2025-31651
Title: Apache Tomcat Improper Encoding or Escaping of Output Vulnerability
Overview:

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. Users are recommended to upgrade to version FIXED_VERSION which fixes the issue.