Severity: moderate
Affected versions:
- Apache Tomcat Native 2.0.0 through 2.0.15
- Apache Tomcat Native 1.3.0 through 1.3.8
Description:
Race condition within a thread vulnerability in Apache Tomcat Native
allowed client certificate verification requirements to be down-graded
for some configurations.
This issue affects Apache Tomcat Native: from 2.0.0 through 2.0.15, from
1.3.0 through 1.3.8. Unsupported versions may also be affected.
Users are recommended to upgrade to version 2.0.16 or 1.3.9, which fixes
the issue.
References:
https://lists.apache.org/thread/obsson6zhvfg0wsp2bx602l61ltj87r1
https://tomcat.apache.org/
https://www.cve.org/CVERecord?id=CVE-2026-86247
