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...

tomcat: Apache Tomcat: Improper Authorization allows bypass of declarative role constraints

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...

Always-Incorrect Control Flow Implementation

Overview org.apache.tomcat:tomcat-util is a Common code shared by multiple Tomcat components. Affected versions of this package are vulnerable to Always-Incorrect Control Flow Implementation due to the incomplete logging of the effective web.xml when special roles and empty authorization...