CVE-2026-43514

LOW

Apache Tomcat: AJP secret compared in non-constant time

Title source: cna
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 3.7
EPSS 0.0010
EPSS Percentile 27.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-208
Status published
Products (16)
apache/tomcat 7.0.0 - 7.0.109
Apache Software Foundation/Apache Tomcat < 7.00
Apache Software Foundation/Apache Tomcat 10.1.0-M1 - 10.1.54
Apache Software Foundation/Apache Tomcat 11.0.0-M1 - 11.0.21
Apache Software Foundation/Apache Tomcat 7.0.0 - 7.0.109
Apache Software Foundation/Apache Tomcat 8.5.0 - 8.5.100
Apache Software Foundation/Apache Tomcat 9.0.0.M1 - 9.0.117
org.apache.tomcat/tomcat 0 - 9.0.118Maven
org.apache.tomcat/tomcat 10.1.0-M1 - 10.1.55Maven
org.apache.tomcat/tomcat 11.0.0-M1 - 11.0.22Maven
... and 6 more
Published May 12, 2026
Tracked Since May 12, 2026