CVE-2026-29145
Apache Tomcat: CLIENT_CERT authentication does not fail as expected
Description
CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled vulnerability in Apache Tomcat, Apache Tomcat Native. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.18, from 10.1.0-M7 through 10.1.52, from 9.0.83 through 9.0.115; Apache Tomcat Native: from 1.1.23 through 1.1.34, from 1.2.0 through 1.2.39, from 1.3.0 through 1.3.6, from 2.0.0 through 2.0.13. Users are recommended to upgrade to version Tomcat Native 1.3.7 or 2.0.14 and Tomcat 11.0.20, 10.1.53 and 9.0.116, which fix the issue.
How to fix CVE-2026-29145
To remediate CVE-2026-29145, upgrade the affected package to a fixed version below.
- —upgrade to 8.5.98 or later
- —no fix listed
- —no fix listed
- —upgrade to 9.0.70-2 or later
- —upgrade to 9.0.116 or later
- —upgrade to 9.0.116 or later
Is CVE-2026-29145 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- from 0, < 8.5.98, >= 9.0.83, < 9.0.116, >= 10.1.0, < 10.1.53, >= 11.0.0, < 11.0.20
- from 0
- from 0
- from 0, < 9.0.70-2
- >= 9.0.83, < 9.0.116
- >= 9.0.83, < 9.0.116
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |