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CVE-2026-34500

6.5 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.5 · apacheNVD modified 2026-10-26 21:10

Affected (CPE criteria) 14

  • cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone14:*:*:*:*:*:*
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone15:*:*:*:*:*:*
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone16:*:*:*:*:*:*
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone17:*:*:*:*:*:*
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone18:*:*:*:*:*:*
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone19:*:*:*:*:*:*
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone20:*:*:*:*:*:*
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone21:*:*:*:*:*:*
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone22:*:*:*:*:*:*
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone23:*:*:*:*:*:*
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone24:*:*:*:*:*:*
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone25:*:*:*:*:*:*
  • cpe:2.3:a:apache:tomcat:11.0.0:milestone26:*:*:*:*:*:*

References 2