GitHub Advisoryadvisory · Maven

GHSA-9m89-8frq-c98c Apache Tomcat - AJP secret compared in non-constant time

LOW Published 2026-05-12 Modified 2026-05-19 Official page ↗
Aliases
CVE-2026-43514
Ecosystem
Maven
Packages
org.apache.tomcat.embed:tomcat-embed-core, org.apache.tomcat:tomcat, org.apache.tomcat:tomcat-catalina
Severity
Low
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Weaknesses
CWE-208
Reviewed
2026-05-19

Affected packages

• Maven org.apache.tomcat.embed:tomcat-embed-core: < 9.0.118 → fixed in 9.0.118 • Maven org.apache.tomcat.embed:tomcat-embed-core: >= 10.1.0-M1, < 10.1.55 → fixed in 10.1.55 • Maven org.apache.tomcat.embed:tomcat-embed-core: >= 11.0.0-M1, < 11.0.22 → fixed in 11.0.22 • Maven org.apache.tomcat:tomcat: < 9.0.118 → fixed in 9.0.118 • Maven org.apache.tomcat:tomcat: >= 10.1.0-M1, < 10.1.55 → fixed in 10.1.55 • Maven org.apache.tomcat:tomcat: >= 11.0.0-M1, < 11.0.22 → fixed in 11.0.22 • Maven org.apache.tomcat:tomcat-catalina: < 9.0.118 → fixed in 9.0.118 • Maven org.apache.tomcat:tomcat-catalina: >= 10.1.0-M1, < 10.1.55 → fixed in 10.1.55 • Maven org.apache.tomcat:tomcat-catalina: >= 11.0.0-M1, < 11.0.22 → fixed in 11.0.22

Description

Versions Affected: Apache Tomcat 11.0.0-M1 to 11.0.21 Apache Tomcat 10.1.0-M1 to 10.1.54 Apache Tomcat 9.0.0.M1 to 9.0.117 Older, unsupported versions may also be affected Description: The AJP secret was compared in non-constant time allowing an attacker on the local network to mount a timing attack to determine the AJP secret. Mitigation: Users of the affected versions should apply one of the following mitigations: • Upgrade to Apache Tomcat 11.0.22 or later • Upgrade to Apache Tomcat 10.1.55 or later • Upgrade to Apache Tomcat 9.0.118 or later

Related

Alias · CVE (1)

  • CVE-2026-43514 Observable Timing Discrepancy vulnerability when comparing AJP secret in Apache Tomcat. vulnerability

Weakness · CWE (1)

  • CWE-208 Observable Timing Discrepancy weakness

References