[SECURITY] CVE-2026-59083 Apache Tomcat - Incorrect URL decoding in RewriteValve may allow security control bypass
Mark Thomas <[email protected]> Tue, 14 Jul 2026 09:08:22 +0100
| Newsgroups | gmane.comp.jakarta.tomcat.user,gmane.comp.apache.maven.announce,gmane.comp.java.openwebbeans.devel |
|---|---|
| Message-ID | <490daca2-5f09-429f-8244-5fbe791c9792__14482.1109411836$1784016622$gmane$org@apache.org> |
CVE-2026-59083 Apache Tomcat - Incorrect URL decoding in RewriteValve may allow security control bypass Severity: Low Vendor: The Apache Software Foundation Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.23 Apache Tomcat 10.1.0-M1 to 10.1.56 Apache Tomcat 9.0.0.M1 to 9.0.119 Older, unsupported versions may also be affected Description: Incorrect decoding of " " in rewritten URIs to " " could allow security control bypass for some configurations. Mitigation: Users of the affected versions should apply one of the following mitigations: - Upgrade to Apache Tomcat 11.0.24 or later - Upgrade to Apache Tomcat 10.1.57 or later - Upgrade to Apache Tomcat 9.0.120 or later History: 2026-07-14 Original advisory References: [1] https://tomcat.apache.org/security-11.html [2] https://tomcat.apache.org/security-10.html [3] https://tomcat.apache.org/security-9.html