{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43512", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2026-05-01T16:19:22.016Z", "datePublished": "2026-05-12T15:24:02.424Z", "dateUpdated": "2026-05-12T17:40:59.559Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Apache Tomcat", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "11.0.21", "status": "affected", "version": "11.0.0-M1", "versionType": "semver"}, {"lessThanOrEqual": "10.1.54", "status": "affected", "version": "10.1.0-M1", "versionType": "semver"}, {"lessThanOrEqual": "9.0.117", "status": "affected", "version": "9.0.0.M1", "versionType": "semver"}, {"lessThanOrEqual": "8.5.100", "status": "affected", "version": "8.5.0", "versionType": "semver"}, {"lessThanOrEqual": "7.0.109", "status": "affected", "version": "7.0.0", "versionType": "semver"}, {"lessThan": "7.0.0", "status": "unknown", "version": "0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication in Apache Tomcat.</p><p>This 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 before 7.0.0.<br>Older unsupported versions any also be affect</p><p>Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.</p>"}], "value": "DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication 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 before 7.0.0.\nOlder unsupported versions any also be affect\n\nUsers are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue."}], "metrics": [{"other": {"content": {"text": "moderate"}, "type": "Textual description of severity"}}], "problemTypes": [{"descriptions": [{"cweId": "CWE-592", "description": "CWE-592 DEPRECATED: Authentication Bypass Issues", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache", "dateUpdated": "2026-05-12T15:24:02.424Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73"}], "source": {"discovery": "EXTERNAL"}, "title": "Apache Tomcat: Digest authenticator will authenticate any unknown user", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/05/12/8"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-05-12T17:40:59.559Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "DEPRECATED: Authentication Bypass Issues vulnerability in digest authentication 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 before 7.0.0.\nOlder unsupported versions any also be affect\n\nUsers are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue."}], "id": "CVE-2026-43512", "lastModified": "2026-05-12T18:17:26.863", "metrics": {}, "published": "2026-05-12T16:16:17.990", "references": [{"source": "security@apache.org", "url": "https://lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/05/12/8"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-592"}], "source": "security@apache.org", "type": "Secondary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.0.0-M1,11.0.21]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[10.1.0-M1,10.1.54]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.0.0.M1,9.0.117]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.5.0,8.5.100]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0,7.0.109]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache Tomcat", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "tomcat", "vendor": "apache"}], "created": "2026-05-12T17:45:20.459277+00:00", "updated": "2026-05-12T18:45:05.512449+00:00", "vendors": ["apache", "apache$PRODUCT$tomcat"]}