{"id":"CVE-2026-73581","state":"PUBLISHED","title":"Apache Tomcat: OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore","description":"Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0-M1 through 9.0.121.\n\n\n\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: from 8.5.0 through 8.5.100. Other unsupported versions may also be affected.\n\n\n\nUsers are recommended to upgrade to version 11.0.26, 10.1.59, 9.0.122, which fixes the issue.","publishedAt":"2026-09-23T11:08:53.212Z","updatedAt":"2026-10-29T10:01:34.970Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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-M1","status":"affected","lessThanOrEqual":"11.0.25","versionType":"semver"},{"version":"10.1.0-M1","status":"affected","lessThanOrEqual":"10.1.59","versionType":"semver"},{"version":"9.0.0.M1","status":"affected","lessThanOrEqual":"9.0.121","versionType":"semver"},{"version":"8.5.0","status":"affected","lessThanOrEqual":"8.5.100","versionType":"semver"},{"version":"0","status":"unaffected","lessThan":"8.5.0","versionType":"semver"}]}],"references":["https://lists.apache.org/thread/r0dj3h1pbn4wv96fhsfrnz3t6874t6do","http://www.openwall.com/lists/oss-security/2026/09/23/19"],"weaknesses":["CWE-299"],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/73xxx/CVE-2026-73581.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-73581","state":"PUBLISHED","datePublished":"2026-09-23T11:08:53.212Z","dateUpdated":"2026-10-29T10:01:34.970Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-08-13T07:31:17.111Z"},"containers":{"cna":{"title":"Apache Tomcat: OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore","descriptions":[{"lang":"en","value":"Improper Check for Certificate Revocation vulnerability in Apache Tomcat. Both the OpenSSL and OpenSSL-FFM TLS implementations ignore CRLs when certificate uses a keystore.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0-M1 through 9.0.121.\n\n\n\nThe following versions were EOL at the time the CVE was created but are \nknown to be affected: from 8.5.0 through 8.5.100. Other unsupported versions may also be affected.\n\n\n\nUsers are recommended to upgrade to version 11.0.26, 10.1.59, 9.0.122, which fixes the issue."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Tomcat","defaultStatus":"unaffected","versions":[{"version":"11.0.0-M1","status":"affected","lessThanOrEqual":"11.0.25","versionType":"semver"},{"version":"10.1.0-M1","status":"affected","lessThanOrEqual":"10.1.59","versionType":"semver"},{"version":"9.0.0.M1","status":"affected","lessThanOrEqual":"9.0.121","versionType":"semver"},{"version":"8.5.0","status":"affected","lessThanOrEqual":"8.5.100","versionType":"semver"},{"version":"0","status":"unaffected","lessThan":"8.5.0","versionType":"semver"}]}],"references":[{"url":"https://lists.apache.org/thread/r0dj3h1pbn4wv96fhsfrnz3t6874t6do","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"Textual description of severity","content":{"text":"moderate"}},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-299","description":"CWE-299 Improper Check for Certificate Revocation","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-10-29T10:01:34.970Z"},"source":{"discovery":"EXTERNAL"},"credits":[{"lang":"en","value":"Arpit Jain (GitHub handle: arpitjain099)","type":"finder"}],"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"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:L/PR:N/UI:N/S:U/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-23T15:19:35.322766Z","id":"CVE-2026-73581","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-23T15:19:40.273Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/09/23/19"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-09-23T18:10:39.638Z"}}]}}}