GHSA-5m62-pw8w-7w9f

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GHSA-5m62-pw8w-7w9f

Summary: Apache Tomcat - Security constraints not correctly applied

Details: Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: When multiple security constraints defined an HTTP method constraint for the same extension pattern, only the first method constraint was applied. Mitigation: Users of the affected versions should apply one of the following mitigations: - Upgrade to Apache Tomcat 11.0.22 or later - Upgrade to Apache Tomcat 10.1.55 or later - Upgrade to Apache Tomcat 9.0.118 or later

References: https://nvd.nist.gov/vuln/detail/CVE-2026-43515, https://github.com/apache/tomcat/commit/276087d9c7abbcecc6c4fb4e4b08cf64780c6e36, https://github.com/apache/tomcat/commit/c621317382682206fb58ab92ebd3e1b6fdd10ce9, https://github.com/apache/tomcat/commit/db919ff9912b4d61d1b702a1342b8bde39270031, https://github.com/apache/tomcat, https://lists.apache.org/thread/746nxfxod0wsocxtmv8pb8nkgmwpc6bb, https://tomcat.apache.org/security-10.html, https://tomcat.apache.org/security-11.html, https://tomcat.apache.org/security-9.html, http://www.openwall.com/lists/oss-security/2026/05/12/11