{"id":"CVE-2026-111895","state":"PUBLISHED","title":"phpMyFAQ 3.2.0 before 4.0.0 and 4.0.2 before 4.2.0-beta Account Takeover via Entra ID preferred_username","description":"phpMyFAQ 3.2.0 before 4.0.0 and 4.0.2 before 4.2.0-beta contains an authentication bypass in its Microsoft Entra ID login flow, which links users by the mutable preferred_username claim and whose AuthEntraId::create() ignores the duplicate-login exception while continuing with the existing local account. Attackers controlling an Entra identity in the configured tenant with a matching preferred_username can take over that local account, including super-admin accounts.","publishedAt":"2026-10-17T18:46:18.581Z","updatedAt":"2026-10-19T14:46:24.561Z","severity":{"score":7.6,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["thorsten phpMyFAQ"],"affected":[{"vendor":"thorsten","product":"phpMyFAQ","defaultStatus":"unaffected","versions":[{"version":"3.2.0","status":"affected","lessThan":"4.0.0","versionType":"semver"},{"version":"4.0.0","status":"unaffected","versionType":"semver"}]},{"vendor":"thorsten","product":"phpMyFAQ","defaultStatus":"unaffected","versions":[{"version":"4.0.2","status":"affected","lessThan":"4.2.0-beta","versionType":"semver"},{"version":"4.2.0-beta","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-6hhv-gc4g-f4r7","https://www.vulncheck.com/advisories/phpmyfaq-3.2.0-before-4.0.0-and-4.0.2-before-4.2.0-beta-account-takeover-via-entra-id-preferred-username"],"weaknesses":["CWE-287"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/111xxx/CVE-2026-111895.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-111895","state":"PUBLISHED","datePublished":"2026-10-17T18:46:18.581Z","dateUpdated":"2026-10-19T14:46:24.561Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-17T12:16:44.849Z"},"containers":{"cna":{"title":"phpMyFAQ 3.2.0 before 4.0.0 and 4.0.2 before 4.2.0-beta Account Takeover via Entra ID preferred_username","descriptions":[{"lang":"en","value":"phpMyFAQ 3.2.0 before 4.0.0 and 4.0.2 before 4.2.0-beta contains an authentication bypass in its Microsoft Entra ID login flow, which links users by the mutable preferred_username claim and whose AuthEntraId::create() ignores the duplicate-login exception while continuing with the existing local account. 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