{"id":"CVE-2026-86248","state":"PUBLISHED","title":"Apache Tomcat: Fix for CVE-2026-34500 was incomplete. 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 vulnerability in Apache Tomcat.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.25, from 10.1.22 through 10.1.59, from 9.0.92 through 9.0.121.\n\n\n\nUsers are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.","publishedAt":"2026-09-23T11:29:35.479Z","updatedAt":"2026-09-23T16:14:59.897Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","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":"11.0.25","versionType":"semver"},{"version":"10.1.22","status":"affected","lessThanOrEqual":"10.1.59","versionType":"semver"},{"version":"9.0.92","status":"affected","lessThanOrEqual":"9.0.121","versionType":"semver"}]}],"references":["https://lists.apache.org/thread/nmkmjp9l53y8h3oc4n8fc0bkw9dv15sk"],"weaknesses":["CWE-287"],"ingestedAt":"2026-10-29T20:13:26.108Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/86xxx/CVE-2026-86248.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-86248","state":"PUBLISHED","datePublished":"2026-09-23T11:29:35.479Z","dateUpdated":"2026-09-23T16:14:59.897Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-09-06T10:25:16.193Z"},"containers":{"cna":{"title":"Apache Tomcat: Fix for CVE-2026-34500 was incomplete. 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 vulnerability in Apache Tomcat.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M14 through 11.0.25, from 10.1.22 through 10.1.59, from 9.0.92 through 9.0.121.\n\n\n\nUsers are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Tomcat","defaultStatus":"unaffected","versions":[{"version":"11.0.0-M14","status":"affected","lessThanOrEqual":"11.0.25","versionType":"semver"},{"version":"10.1.22","status":"affected","lessThanOrEqual":"10.1.59","versionType":"semver"},{"version":"9.0.92","status":"affected","lessThanOrEqual":"9.0.121","versionType":"semver"}]}],"references":[{"url":"https://lists.apache.org/thread/nmkmjp9l53y8h3oc4n8fc0bkw9dv15sk","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"Textual description of severity","content":{"text":"moderate"}},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"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":"2026-09-23T11:29:35.479Z"},"source":{"discovery":"UNKNOWN"},"credits":[{"lang":"en","value":"Mike Read (github.com/Michael-JRead)","type":"finder"}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.8,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-23T16:14:53.442167Z","id":"CVE-2026-86248","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"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":"2026-09-23T16:14:59.897Z"}}]}}}