Apache Tomcat: Incorrect URL decoding in RewriteValve may allow security control bypass
En bref
Sévérité
CRITICAL 9.1
EPSS
EPSS 0.52 % · centile 44 (2026-10-27)
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
apache
Statut NVD
Analyzed
Description
Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected.
Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120, which fix the issue.