{"api_version":"1","generated_at":"2026-08-26T03:58:47+00:00","cve":"CVE-2026-68569","urls":{"html":"https://cve.report/CVE-2026-68569","api":"https://cve.report/api/cve/CVE-2026-68569.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-68569","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-68569"},"summary":{"title":"Apache Tomcat: Principal lookup can fail open in some cases","description":"Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g. CLIENT-CERT, SPNEGO) that a user would be authenticated even if the user did not exist in the DataSourceRealm.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.\n\n\n\n\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, from 7.0.0 through 7.0.109. 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Other unsupported versions may also be affected.\n\n\n\n\n\n\n\nUsers are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue."}],"metrics":[{"other":{"content":{"text":"important"},"type":"Textual description of severity"},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","description":"CWE-287 Improper Authentication","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-08-25T21:59:17.438Z","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache"},"references":[{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/8robqo76q0osxgw0b5lcwgz0hcf9h4zc"}],"source":{"discovery":"EXTERNAL"},"title":"Apache Tomcat: Principal lookup can fail open in some cases","x_generator":{"engine":"Vulnogram 0.2.0"}}},"cveMetadata":{"assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","assignerShortName":"apache","cveId":"CVE-2026-68569","datePublished":"2026-08-25T21:59:17.438Z","dateReserved":"2026-07-31T07:51:47.785Z","dateUpdated":"2026-08-25T21:59:17.438Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-25 22:17:05","lastModifiedDate":"2026-08-25 22:17:05","problem_types":["CWE-287","CWE-287 CWE-287 Improper Authentication"],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"68569","Ordinal":"1","Title":"Apache Tomcat: Principal lookup can fail open in some cases","CVE":"CVE-2026-68569","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"68569","Ordinal":"1","NoteData":"Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g. CLIENT-CERT, SPNEGO) that a user would be authenticated even if the user did not exist in the DataSourceRealm.\n\n\n\nThis issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120.\n\n\n\n\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, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected.\n\n\n\n\n\n\n\nUsers are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.","Type":"Description","Title":"Apache Tomcat: Principal lookup can fail open in some cases"}]}}}