QwikSec

Security Database

CVE

CWE

Training

CVE Database
/

CVE-2026-43513

Back to search

CVE-2026-43513

Published: May 12, 2026

Modified: May 14, 2026

PUBLISHED

Description

Improper Handling of Case Sensitivity vulnerability in LockOutRealm 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.

VendorProductVersions

Apache Software Foundation

Apache Tomcat

affected
11.0.0-M1 - <= 11.0.21
affected
10.1.0-M1 - <= 10.1.54
affected
9.0.0.M1 - <= 9.0.117
affected
8.5.0 - <= 8.5.100
affected
7.0.0 - <= 7.0.109

+1 more versions

Weaknesses (CWE)

CWE-178

References

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Start Training

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.

Scan Now