Improper Certificate Validation in Apache Tomcat - CVE-2026-29145

 

Improper Certificate Validation in Apache Tomcat - CVE-2026-29145

Published: April 9, 2026 / Updated: April 10, 2026


Vulnerability identifier: #VU125740
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-29145
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Apache Foundation
Affected software:
Apache Tomcat

Detailed vulnerability description

The vulnerability allows a remote user to bypass certificate revocation checks during authentication.

The vulnerability exists due to improper certificate validation in CLIENT_CERT authentication when processing OCSP checks in some scenarios with soft fail disabled. A remote user can present a certificate in affected scenarios to bypass certificate revocation checks during authentication.

Only some scenarios are affected when soft fail is disabled.


How to mitigate CVE-2026-29145

Install security update from vendor's website.

Sources