PT-2026-40072 · Apache+4 · Apache Tomcat+4

CVE-2026-43513

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Published

2026-05-11

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Updated

2026-09-11

CVSS v2.0

7.8

High

VectorAV:N/AC:L/Au:N/C:C/I:N/A:N
Name of the Vulnerable Software and Affected Versions Apache Tomcat versions 11.0.0-M1 through 11.0.21 Apache Tomcat versions 10.1.0-M1 through 10.1.54 Apache Tomcat versions 9.0.0.M1 through 9.0.117 Apache Tomcat versions 8.5.0 through 8.5.100 Apache Tomcat versions 7.0.0 through 7.0.109
Description Improper handling of case sensitivity in the LockOutRealm component.
Recommendations Upgrade versions 11.0.0-M1 through 11.0.21 to 11.0.22. Upgrade versions 10.1.0-M1 through 10.1.54 to 10.1.55. Upgrade versions 9.0.0.M1 through 9.0.117 to 9.0.118.

Exploit

Fix

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Weakness Enumeration

Related Identifiers

BDU:2026-09765
BIT-TOMCAT-2026-43513
CLEANSTART-2026-NW12954
CVE-2026-43513
GHSA-5MP6-JRQ3-R938
OESA-2026-2296
OPENSUSE-SU-2026:10925-1
OPENSUSE-SU-2026:10926-1
OPENSUSE-SU-2026:10927-1
OPENSUSE-SU-2026:21117-1
OPENSUSE-SU-2026:21121-1
OPENSUSE-SU-2026:21122-1
RHSA-2026:43401
RHSA-2026:44426
RHSA-2026:44427
SUSE-SU-2026:22195-1
SUSE-SU-2026:22196-1
SUSE-SU-2026:22197-1
SUSE-SU-2026:2299-1
SUSE-SU-2026:2374-1
SUSE-SU-2026:2377-1
SUSE-SU-2026:2675-1
USN-8383-1
USN-8417-1

Affected Products

Apache Tomcat
Confluence
Linuxmint
Red Os
Ubuntu