{"id":"CVE-2026-34500","state":"PUBLISHED","title":"Apache Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled","description":"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.","publishedAt":"2026-04-09T19:36:52.857Z","updatedAt":"2026-04-10T14:22:31.310Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Tomcat"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Tomcat","defaultStatus":"unaffected","versions":[{"version":"11.0.0-M14","status":"affected","lessThanOrEqual":"11.0.20","versionType":"semver"},{"version":"10.1.22","status":"affected","lessThanOrEqual":"10.1.53","versionType":"semver"},{"version":"9.0.92","status":"affected","lessThanOrEqual":"9.0.116","versionType":"semver"}]}],"references":["https://lists.apache.org/thread/7rcl4zdxryc8hy3htyfyxkbqpxjtfdl2","http://www.openwall.com/lists/oss-security/2026/04/09/29"],"weaknesses":["CWE-287"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/34xxx/CVE-2026-34500.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-34500","state":"PUBLISHED","datePublished":"2026-04-09T19:36:52.857Z","dateUpdated":"2026-04-10T14:22:31.310Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-03-30T08:34:56.185Z"},"containers":{"cna":{"title":"Apache Tomcat: OCSP checks sometimes soft-fail with FFM even when soft-fail is disabled","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Tomcat","defaultStatus":"unaffected","versions":[{"version":"11.0.0-M14","status":"affected","lessThanOrEqual":"11.0.20","versionType":"semver"},{"version":"10.1.22","status":"affected","lessThanOrEqual":"10.1.53","versionType":"semver"},{"version":"9.0.92","status":"affected","lessThanOrEqual":"9.0.116","versionType":"semver"}]}],"references":[{"url":"https://lists.apache.org/thread/7rcl4zdxryc8hy3htyfyxkbqpxjtfdl2","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"moderate"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"description":"CLIENT_CERT authentication does not fail as expected for some scenarios when soft fail is disabled","lang":"en"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-04-09T19:36:52.857Z"},"credits":[{"lang":"en","type":"finder","value":"Haruki Oyama (Waseda University)"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/04/09/29"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-04-09T23:15:55.928Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.5,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-10T14:21:50.556349Z","id":"CVE-2026-34500","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","type":"CWE","lang":"en","description":"CWE-287 Improper Authentication"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-10T14:22:31.310Z"}}]}}}