CVE-2026-66422

A flaw was found in Apache Tomcat. This improper authorization vulnerability occurs because security-role-ref definitions are incorrectly used as role aliases within the Realm, in addition to their correct usage with Request.isUserInRole. This misconfiguration allows for a bypass of declarative...

CVE-2026-66422 Apache Tomcat: Servlet role references can bypass declarative role constraints

Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly used as role aliases within the Realm in additional to the correct usage with Request.isUserInRole. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 throu...