CRITICALCVSS v3.1 9.8Vulnerability
CVE-2026-111911
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.
Properties
- Severity
- CRITICAL
- Nvd fetched at
- 2026-10-20T21:14:08.448323+00:00
- Epss score
- 0.00422
- Cvss severity
- CRITICAL
- Cvss score
- 9.8
- Retrieved at
- 2026-10-21T01:24:48+00:00
- Last source
- FIRST EPSS
- Score
- 9.8
- Cvss version
- 3.1
- Cve id
- CVE-2026-111911
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- First seen by Signal
- 2026-10-18T13:39:03+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published at
- 2026-10-17T19:16:33.500
- Last modified
- 2026-10-19T15:16:56.033
- Epss percentile
- 0.35144
Related Entities (1)
HAS_WEAKNESS (1)
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