CVE-2026-43514

Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Older unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.

CVSS v3 3.7 LOW

3.7^/10

CVSS v3 : LOW

Vector :

Exploitability : 2.2 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/2k654v5cq123npfsd1b2kk1y30owqb1m	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/05/12/10	Mailing List 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::::::::
	cpe:2.3:a:apache:tomcat::::::::

History

26 Oct 2026, 18:10

Type	Values Removed	Values Added
Summary		(es) vulnerabilidad de Discrepancia de Tiempo Observable al comparar el secreto AJP en Apache Tomcat. Este problema afecta a Apache Tomcat: desde 11.0.0-M1 hasta 11.0.21, desde 10.1.0-M1 hasta 10.1.54, desde 9.0.0.M1 hasta 9.0.117, desde 8.5.0 hasta 8.5.100, desde 7.0.0 hasta 7.0.109. Las versiones antiguas no compatibles también pueden verse afectadas. Se recomienda a los usuarios actualizar a la versión 11.0.22, 10.1.55 o 9.0.118, que solucionan el problema.

Information

Published : 2026-05-12 16:16

Updated : 2026-10-26 18:10

NVD link : CVE-2026-43514

Mitre link : CVE-2026-43514

CVE.ORG link : CVE-2026-43514

JSON object : View

Products Affected

apache

tomcat

CWE

CWE-208

Observable Timing Discrepancy

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