MEDIUM 6.9 NVD
CVE-2026-124432
phpMyFAQ 4.1.9 before 4.1.11 and 4.2.0 pre-releases before 4.2.0-beta.3 contain an account enumeration vulnerability in the unauthenticated POST /api/webauthn/p
phpMyFAQ 4.1.9 before 4.1.11 and 4.2.0 pre-releases before 4.2.0-beta.3 contain an account enumeration vulnerability in the unauthenticated POST /api/webauthn/prepare-login endpoint, which returns stable stored credential IDs for passkey-registered accounts but an md5(time())-derived fallback ID otherwise. Unauthenticated attackers can compare allowCredentials IDs from requests sent more than one second apart, without rate limiting, to identify existing passkey-registered accounts and their credential IDs.
References
- https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-2rvx-pqfw-q35r
- https://www.vulncheck.com/advisories/phpmyfaq-before-4.1.11-and-4.2.0-beta.3-account-enume
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-11-08 via NVD.
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