{"id":"CVE-2026-111895","revision":null,"records":[{"revision":"f209e50b069446babd2f94d5a7a1b065","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111895","aliases":[],"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.","state":0,"publishedAt":"2026-10-17T18:46:18.581+00:00","modifiedAt":"2026-10-19T14:46:24.561+00:00","affected":[{"ecosystem":"Vendor product","name":"phpMyFAQ","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"thorsten\",\n                    \"product\": \"phpMyFAQ\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"3.2.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"4.0.0\"\n                        },\n                        {\n                            \"version\": \"4.0.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"phpMyFAQ","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"thorsten\",\n                    \"product\": \"phpMyFAQ\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"4.0.2\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"4.2.0-beta\"\n                        },\n                        {\n                            \"version\": \"4.2.0-beta\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 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","score":7.6,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","score":6.8,"severity":"MEDIUM"}],"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"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111895","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111895","identifiers":["CVE-2026-111895"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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