{"id":"CVE-2026-111911","revision":"4ca64d7e2ccf4171a94eac4cae4ce3b3","records":[{"revision":"4ca64d7e2ccf4171a94eac4cae4ce3b3","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-111911","aliases":[],"title":"phpMyFAQ 4.0.0 before 4.1.9 Authentication Bypass via WebAuthn Credential Injection","description":"phpMyFAQ 4.0.0 before 4.1.9 contains an authentication bypass vulnerability where WebAuthn registration endpoints attach credentials to any account without authentication or challenge validation. Attackers can stage a victim username, submit a forged fmt=none attestation to register a passkey, then log in bypassing passwords and TOTP for account takeover.","state":0,"publishedAt":"2026-10-17T18:46:28.833+00:00","modifiedAt":"2026-10-19T14:54:32.1+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\": \"4.0.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"4.1.9\"\n                        },\n                        {\n                            \"version\": \"4.1.9\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":9.3,"severity":"CRITICAL"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-g6cq-6rqg-6c9p","https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-rg9h-f29v-xhxr","https://www.vulncheck.com/advisories/phpmyfaq-4.0.0-before-4.1.9-authentication-bypass-via-webauthn-credential-injection"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111911","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-111911","identifiers":["CVE-2026-111911"]},"retained":false,"historicalAffected":[]}],"coverage":[]}