{"id":"GHSA-29r8-gvx4-r9w3","summary":"Authentication Bypass in extension \"E-Mail MFA Provider\" (mfa_email)","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.","aliases":["CVE-2026-4208"],"modified":"2026-05-05T15:55:58.462567Z","published":"2026-03-17T09:31:28Z","database_specific":{"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2026-03-18T16:17:23Z","nvd_published_at":"2026-03-17T09:16:14Z","cwe_ids":["CWE-639"]},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4208"},{"type":"WEB","url":"https://github.com/MrSilaz/mfa_email/commit/0bb7e85b236a5232f7b092915453dd7c3da48f12"},{"type":"PACKAGE","url":"https://github.com/MrSilaz/mfa_email"},{"type":"WEB","url":"https://github.com/MrSilaz/mfa_email/releases/tag/v1.0.7"},{"type":"WEB","url":"https://github.com/MrSilaz/mfa_email/releases/tag/v2.0.1"},{"type":"WEB","url":"https://typo3.org/security/advisory/typo3-ext-sa-2026-007"}],"affected":[{"package":{"name":"ralffreit/mfa-email","ecosystem":"Packagist","purl":"pkg:composer/ralffreit/mfa-email"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.7"}]}],"versions":["1.0.0","1.0.1","1.0.2","1.0.3","1.0.4","1.0.5"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-29r8-gvx4-r9w3/GHSA-29r8-gvx4-r9w3.json"}},{"package":{"name":"ralffreit/mfa-email","ecosystem":"Packagist","purl":"pkg:composer/ralffreit/mfa-email"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.0.1"}]}],"versions":["2.0.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-29r8-gvx4-r9w3/GHSA-29r8-gvx4-r9w3.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","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"}]}