CVE-2026-34500

MEDIUM 6.5

Apache Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

11th

CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.20, from 10.1.22 through 10.1.53, from 9.0.92 through 9.0.116. Users are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue.

Vendor	apache software foundation
Product	apache tomcat
Published	Apr 9, 2026
Last Updated	Apr 10, 2026

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Affected Versions

Apache Software Foundation / Apache Tomcat

11.0.0-M14 ≤ 11.0.20 10.1.22 ≤ 10.1.53 9.0.92 ≤ 9.0.116

References

NVD ↗ CVE.org ↗ EPSS Data ↗

lists.apache.org: https://lists.apache.org/thread/7rcl4zdxryc8hy3htyfyxkbqpxjtfdl2 openwall.com: http://www.openwall.com/lists/oss-security/2026/04/09/29

Credits

Haruki Oyama (Waseda University)