Off-by-one Error

Overview org.apache.tomcat:tomcat-catalina is a Tomcat Servlet Engine Core Classes and Standard implementations. Affected versions of this package are vulnerable to Off-by-one Error in chain-rule handling due to the rule-skipping logic in java/org/apache/catalina/valves/rewrite/RewriteValve.java...

CVE-2026-53404 Apache Tomcat: Bad ornext processing in RewriteValve

Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent non-OR conditions were skipped. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from...

Improper Neutralization

Overview org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation. Affected versions of this package are vulnerable to Improper Neutralization in the RewriteValve class, which handles rewrite rules. If rewrite rules are configured to enforce security constraints, those security...