{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.0.5"
              },
              {
                "introduced": "2.0.0"
              },
              {
                "last_affected": "2.0.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1d31061b36665a049740aa617f3496afbff2bc0b"
            },
            {
              "introduced": "826a941c9206fde8b82146e9f8624f9ab12e0dce"
            },
            {
              "last_affected": "826a941c9206fde8b82146e9f8624f9ab12e0dce"
            }
          ],
          "repo": "https://github.com/mrsilaz/mfa_email",
          "type": "GIT"
        }
      ],
      "versions": [
        "2.0.0"
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "TYPO3",
    "cwe_ids": [
      "CWE-639"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4208.json"
  },
  "details": "The extension fails to properly reset the generated MFA code after successful authentication. This leads to a possible MFA bypass for future login attempts by providing an empty string as MFA code to the extensions MFA provider.",
  "id": "CVE-2026-4208",
  "modified": "2026-07-15T01:48:55.170949795Z",
  "published": "2026-03-17T08:34:52.141Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://packagist.org"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4208.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-4208"
    },
    {
      "type": "ADVISORY",
      "url": "https://typo3.org/security/advisory/typo3-ext-sa-2026-007"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/MrSilaz/mfa_email"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Authentication Bypass in extension \"E-Mail MFA Provider\" (mfa_email)"
}