{"id":"CVE-2026-93446","state":"PUBLISHED","title":"Apache Tomcat: Possible TLS 1.3 connection failures","description":"Incomplete cleanup vulnerability in Apache Tomcat could cause TLS 1.3 connections to fail intermittently.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M21 through 11.0.26, from 10.1.25 through 10.1.60, from 9.0.90 through 9.0.122.\n\n\n\nUsers are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.","publishedAt":"2026-10-20T13:44:35.673Z","updatedAt":"2026-10-29T17:57:06.247Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-M21","status":"affected","lessThanOrEqual":"11.0.26","versionType":"semver"},{"version":"10.1.25","status":"affected","lessThanOrEqual":"10.1.60","versionType":"semver"},{"version":"9.0.90","status":"affected","lessThanOrEqual":"9.0.122","versionType":"semver"}]}],"references":["https://lists.apache.org/thread.html/zh87okr5qspv4byzfpy2w6dqrokrnxzw","http://www.openwall.com/lists/oss-security/2026/10/20/25"],"weaknesses":["CWE-459"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/93xxx/CVE-2026-93446.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-93446","state":"PUBLISHED","datePublished":"2026-10-20T13:44:35.673Z","dateUpdated":"2026-10-29T17:57:06.247Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-09-17T22:18:31.729Z"},"containers":{"cna":{"title":"Apache Tomcat: Possible TLS 1.3 connection failures","descriptions":[{"lang":"en","value":"Incomplete cleanup vulnerability in Apache Tomcat could cause TLS 1.3 connections to fail intermittently.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M21 through 11.0.26, from 10.1.25 through 10.1.60, from 9.0.90 through 9.0.122.\n\n\n\nUsers are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Tomcat","defaultStatus":"unaffected","versions":[{"version":"11.0.0-M21","status":"affected","lessThanOrEqual":"11.0.26","versionType":"semver"},{"version":"10.1.25","status":"affected","lessThanOrEqual":"10.1.60","versionType":"semver"},{"version":"9.0.90","status":"affected","lessThanOrEqual":"9.0.122","versionType":"semver"}]}],"references":[{"url":"https://lists.apache.org/thread.html/zh87okr5qspv4byzfpy2w6dqrokrnxzw","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"Textual description of severity","content":{"text":"low"}},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-459","description":"CWE-459 Incomplete cleanup","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-10-20T13:44:35.673Z"},"source":{"discovery":"EXTERNAL"},"credits":[{"lang":"en","value":"FHMTT (https://github.com/FHMTT)","type":"finder"}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/10/20/25"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-10-20T18:10:09.969Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-29T17:56:57.205909Z","id":"CVE-2026-93446","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":"2026-10-29T17:57:06.247Z"}}]}}}