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 9.0.0.M1 through 9.0.118, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.

CVSS v3 7.3 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/rdhpghgfskrdmw9hqzjgjrtw538smpmz	Vendor Advisory Mailing List
http://www.openwall.com/lists/oss-security/2026/06/29/21	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::
	cpe:2.3:a:apache:tomcat::::::::

History

25 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) La vulnerabilidad de implementación de flujo de control siempre incorrecto en la válvula de reescritura de Apache Tomcat significaba que si la primera condición en una cadena OR coincidía, las condiciones no-OR subsiguientes eran omitidas. Este problema afecta a Apache Tomcat: desde 11.0.0-M1 hasta 11.0.22, desde 10.1.0-M1 hasta 10.1.55, desde 9.0.0.M1 hasta 9.0.118, desde 8.5.0 hasta 8.5.100. Otras versiones que han llegado al fin de su soporte también pueden verse afectadas. Se recomienda a los usuarios actualizar a la versión 11.0.23, 10.1.56 o 9.0.119, que solucionan el problema.

Information

Published : 2026-06-29 21:16

Updated : 2026-10-25 21:10

NVD link : CVE-2026-53404

Mitre link : CVE-2026-53404

CVE.ORG link : CVE-2026-53404

JSON object : View

Products Affected

apache

tomcat

CWE

CWE-670

Always-Incorrect Control Flow Implementation

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