{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "4.0.0"
              },
              {
                "fixed": "4.1.9"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "9bf3d792e67da3c04217002a9642fdf74ced9554"
            },
            {
              "fixed": "ecd0de3cff20d4a06e8ad17eef7c22ef227f0af9"
            }
          ],
          "repo": "https://github.com/thorsten/phpmyfaq",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-287"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111911.json"
  },
  "details": "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.",
  "id": "CVE-2026-111911",
  "modified": "2026-10-20T02:30:49.014548617Z",
  "published": "2026-10-17T18:46:28.833Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/111xxx/CVE-2026-111911.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-g6cq-6rqg-6c9p"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/thorsten/phpMyFAQ/security/advisories/GHSA-rg9h-f29v-xhxr"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-111911"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/phpmyfaq-4.0.0-before-4.1.9-authentication-bypass-via-webauthn-credential-injection"
    }
  ],
  "related": [
    "GHSA-g6cq-6rqg-6c9p",
    "GHSA-rg9h-f29v-xhxr"
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "phpMyFAQ 4.0.0 before 4.1.9 Authentication Bypass via WebAuthn Credential Injection"
}