CVE-2026-43514 Security Details

CVE ID

CVE-2026-43514

CWE

CWE-208

CVE Description

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.

Published

May 13, 2026

CVSS Score & Severity

2.1Low

CVSS Vector

CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

EPSS Score

0.099%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/apache/catalina/realm/DigestCredentialHandlerBase.equals(Ljava/lang/String;Ljava/lang/String;Z)Z

JVMVulnerable params: 0, 1

org/apache/catalina/realm/DigestCredentialHandlerBase.equals([B[B)Z

JVMVulnerable params: 0, 1

org/apache/coyote/ajp/AjpProcessor.prepareRequest()V

JVM

Affected Ecosystems

affected

Source

National Vulnerability Database

References

Apache · AnnouncementPROJECT