{"id":"CVE-2026-43515","state":"PUBLISHED","title":"Apache Tomcat: Security constraints not correctly applied","description":"Improper Authorization vulnerability when multiple method constraints define an HTTP method for the same extension in Apache Tomcat.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.\n\nUsers are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.","publishedAt":"2026-05-12T15:33:23.311Z","updatedAt":"2026-06-04T09:57:54.826Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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":"11.0.21","versionType":"semver"},{"version":"10.1.0-M1","status":"affected","lessThanOrEqual":"10.1.54","versionType":"semver"},{"version":"9.0.0.M1","status":"affected","lessThanOrEqual":"9.0.117","versionType":"semver"},{"version":"8.5.0","status":"affected","lessThanOrEqual":"8.5.100","versionType":"semver"},{"version":"7.0.0","status":"affected","lessThanOrEqual":"7.0.109","versionType":"semver"},{"version":"0","status":"unknown","lessThan":"7.0.0","versionType":"semver"}]}],"references":["https://lists.apache.org/thread/746nxfxod0wsocxtmv8pb8nkgmwpc6bb","http://www.openwall.com/lists/oss-security/2026/05/12/11"],"weaknesses":["CWE-285"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43515.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43515","state":"PUBLISHED","datePublished":"2026-05-12T15:33:23.311Z","dateUpdated":"2026-06-04T09:57:54.826Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-05-01T16:24:01.021Z"},"containers":{"cna":{"title":"Apache Tomcat: Security constraints not correctly applied","descriptions":[{"lang":"en","value":"Improper Authorization vulnerability when multiple method constraints define an HTTP method for the same extension in Apache Tomcat.\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.\n\nUsers are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Tomcat","defaultStatus":"unaffected","versions":[{"version":"11.0.0-M1","status":"affected","lessThanOrEqual":"11.0.21","versionType":"semver"},{"version":"10.1.0-M1","status":"affected","lessThanOrEqual":"10.1.54","versionType":"semver"},{"version":"9.0.0.M1","status":"affected","lessThanOrEqual":"9.0.117","versionType":"semver"},{"version":"8.5.0","status":"affected","lessThanOrEqual":"8.5.100","versionType":"semver"},{"version":"7.0.0","status":"affected","lessThanOrEqual":"7.0.109","versionType":"semver"},{"version":"0","status":"unknown","lessThan":"7.0.0","versionType":"semver"}]}],"references":[{"url":"https://lists.apache.org/thread/746nxfxod0wsocxtmv8pb8nkgmwpc6bb","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"moderate"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-285","description":"CWE-285 Improper Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-06-04T09:57:54.826Z"},"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/05/12/11"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-05-12T17:41:02.585Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.1,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-05-14T16:33:57.706160Z","id":"CVE-2026-43515","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-14T19:53:24.668Z"}}]}}}