{"id":"CVE-2026-34500","summary":"Apache Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled","details":"CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled and FFM is used in Apache Tomcat.\n\nThis 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.\n\nUsers are recommended to upgrade to version 11.0.21, 10.1.54 or 9.0.117, which fixes the issue.","aliases":["BIT-tomcat-2026-34500","GHSA-24j9-x2wg-9qv6"],"modified":"2026-07-08T08:06:26.066445781Z","published":"2026-04-09T19:36:52.857Z","related":["CGA-5gch-j3p7-3556","SUSE-SU-2026:1558-1","SUSE-SU-2026:1572-1","SUSE-SU-2026:1603-1","SUSE-SU-2026:1604-1","SUSE-SU-2026:21366-1","SUSE-SU-2026:21378-1","SUSE-SU-2026:21379-1","openSUSE-SU-2026:10547-1","openSUSE-SU-2026:10548-1","openSUSE-SU-2026:10549-1","openSUSE-SU-2026:20595-1","openSUSE-SU-2026:20611-1","openSUSE-SU-2026:20612-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34500.json","unresolved_ranges":[{"extracted_events":[{"introduced":"11.0.0-M14"},{"last_affected":"11.0.20"},{"introduced":"10.1.22"},{"last_affected":"10.1.53"},{"introduced":"9.0.92"},{"last_affected":"9.0.116"}],"source":"AFFECTED_FIELD"},{"extracted_events":[{"introduced":"11.0.0-M14"},{"fixed":"11.0.20"},{"introduced":"10.1.22"},{"fixed":"10.1.53"},{"introduced":"9.0.92"},{"fixed":"9.0.116"}],"source":"DESCRIPTION"}],"cna_assigner":"apache"},"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2026/04/09/29"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/34xxx/CVE-2026-34500.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/7rcl4zdxryc8hy3htyfyxkbqpxjtfdl2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34500"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/apache/tomcat","events":[{"introduced":"b6ca266795a4245f3c3308a619987136ad46e19a"},{"fixed":"f892e52577feef83aff57d34c2b4be61a5a68524"},{"introduced":"fd9c0bb1f0a7e586daabfda625ef50827bcfddf3"},{"fixed":"8ec9fde54ce6bda64027759389dd755b1b875edc"},{"introduced":"6c56147c3966fde5ae34aab2b253593e8700a28c"},{"fixed":"1d6b501b493c11ee6fdebae911c67ca214e28c82"},{"introduced":"9108a1f6776f7211f5cd27e80b7b5a6e98116b01"}],"database_specific":{"extracted_events":[{"introduced":"9.0.92"},{"fixed":"9.0.117"},{"introduced":"10.1.22"},{"fixed":"10.1.54"},{"introduced":"11.0.1"},{"fixed":"11.0.21"},{"introduced":"11.0.0-milestone14"},{"last_affected":"11.0.0-milestone14"},{"introduced":"11.0.0-milestone15"},{"last_affected":"11.0.0-milestone15"},{"introduced":"11.0.0-milestone16"},{"last_affected":"11.0.0-milestone16"},{"introduced":"11.0.0-milestone17"},{"last_affected":"11.0.0-milestone17"},{"introduced":"11.0.0-milestone18"},{"last_affected":"11.0.0-milestone18"},{"introduced":"11.0.0-milestone19"},{"last_affected":"11.0.0-milestone19"},{"introduced":"11.0.0-milestone20"},{"last_affected":"11.0.0-milestone20"},{"introduced":"11.0.0-milestone21"},{"last_affected":"11.0.0-milestone21"},{"introduced":"11.0.0-milestone22"},{"last_affected":"11.0.0-milestone22"},{"introduced":"11.0.0-milestone23"},{"last_affected":"11.0.0-milestone23"},{"introduced":"11.0.0-milestone24"},{"last_affected":"11.0.0-milestone24"},{"introduced":"11.0.0-milestone25"},{"last_affected":"11.0.0-milestone25"},{"introduced":"11.0.0-milestone26"},{"last_affected":"11.0.0-milestone26"}],"source":["CPE_RANGE","CPE_STRING"],"cpe":["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:*:*:*:*:*:*"]}}],"versions":["11.0.0-milestone14","11.0.0-milestone15","11.0.0-milestone16","11.0.0-milestone17","11.0.0-milestone18","11.0.0-milestone19","11.0.0-milestone20","11.0.0-milestone21","11.0.0-milestone22","11.0.0-milestone23","11.0.0-milestone24","11.0.0-milestone25","11.0.0-milestone26"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-34500.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N"}]}