Linux Distros Unpatched Vulnerability : CVE-2026-53404

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat's rewrite valve meant that if the first condition in an OR chain matched, subsequent...

Always-Incorrect Control Flow Implementation

Overview org.apache.tomcat:tomcat is an implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies. Affected versions of this package are vulnerable to Always-Incorrect Control Flow Implementation due to incorrect control flow in the RewriteValv...

Always-Incorrect Control Flow Implementation

Overview org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation. Affected versions of this package are vulnerable to Always-Incorrect Control Flow Implementation due to incorrect control flow in the RewriteValve process. An attacker can bypass intended rewrite rules by crafting...

DEBIAN-CVE-2026-53404

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...

CVE-2026-53404

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...

CVE-2026-53404

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...

UBUNTU-CVE-2026-53404

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...

CVE-2026-53404

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...

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...

EUVD-2026-40227

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...

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...

CVE-2026-53404

Apache Tomcat vulnerability CVE-2026-53404 describes an Always-Incorrect Control Flow in the RewriteValve. If the first condition in an OR chain matches, subsequent non-OR conditions may be skipped, altering rule evaluation. Affected versions include Tomcat 11.0.0-M1–11.0.22, 10.1.0-M1–10.1.55, 9...

CVE-2026-53404

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...

Apache Tomcat: Apache Tomcat: Incorrect control flow in rewrite valve allows unexpected rule processing

A flaw was found in Apache Tomcat's rewrite valve. This vulnerability involves an incorrect control flow implementation where, during the processing of rewrite rules, if the first condition in an OR chain matched, subsequent non-OR conditions were unexpectedly skipped. This can lead to unintended...

PT-2026-53741

Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.22 Apache Tomcat versions 10.1.0-M1 through 10.1.55 Apache Tomcat versions 9.0.0.M1 through 9.0.118 Apache Tomcat versions 8.5.0 through 8.5.100 Description An incorrect control flow implementation...

Apache Tomcat: Apache Tomcat: Incorrect control flow in rewrite valve allows unexpected rule processing

A flaw was found in Apache Tomcat's rewrite valve. This vulnerability involves an incorrect control flow implementation where, during the processing of rewrite rules, if the first condition in an OR chain matched, subsequent non-OR conditions were unexpectedly skipped. This can lead to unintended...

Fixed in Apache Tomcat 10.1.56

Moderate: Security constraints for default servlet ignored method CVE-2026-55956 If security constraints were specified for the default servlet, any method or method omission configured as part of the constraint was ignored. This was fixed with commit 9c3b1efb. This issue was reported to the Tomc...

Fixed in Apache Tomcat 11.0.23

Moderate: Security constraints for default servlet ignored method CVE-2026-55956 If security constraints were specified for the default servlet, any method or method omission configured as part of the constraint was ignored. This was fixed with commit 3f6bd2ba. This issue was reported to the Tomc...

RLSA-2026:18537 Important: tomcat security update

Apache Tomcat is a servlet container for the Java Servlet and JavaServer Pages JSP technologies. Security Fixes: tomcat: Apache Tomcat: Security constraint bypass for CGI scripts CVE-2025-46701 org.apache.tomcat/tomcat-catalina: tomcat: Apache Tomcat: session fixation via rewrite valve...

Astra Linux – Vulnerability in Tomcat9

A Session Fixation vulnerability exists in Apache Tomcat through the rewrite valve. This issue affects Apache Tomcat: versions from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, and from 9.0.0.M1 through 9.0.105. Older, end-of-life versions may also be affected. Users are recommended ...