{"id":"CVE-2026-4208","aliases":["EUVD-2026-12554","GHSA-29r8-gvx4-r9w3"],"status":"published","title":"Authentication Bypass in extension \"E-Mail MFA Provider\" (mfa_email)","description":"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.","severity":{"version":"4.0","score":7.7,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00272,"percentile":0.1983,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-639"],"published":"2026-03-17T08:34:52Z","modified":"2026-10-28T02:30:45Z","fixes":[{"ecosystem":"Packagist","package":"ralffreit/mfa-email","fixed_in":["1.0.7","2.0.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"ralffreit/mfa-email","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.7"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"ralffreit/mfa-email","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"last_affected":"2.0.0"},{"fixed":"2.0.1"}]}],"versions":["2.0.0"]},{"source":"osv","ecosystem":"Packagist","package":"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"]},{"source":"osv","ecosystem":"Packagist","package":"ralffreit/mfa-email","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.0.1"}]}],"versions":["2.0.0"]}],"products":[{"vendor":"mrsilaz","product":"mfa_mail"},{"vendor":"typo3","product":"extension \"e-mail mfa provider\""}],"references":[{"url":"https://typo3.org/security/advisory/typo3-ext-sa-2026-007","tags":["Vendor Advisory","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4208","tags":["advisory"]},{"url":"https://github.com/MrSilaz/mfa_email/commit/0bb7e85b236a5232f7b092915453dd7c3da48f12","tags":["web"]},{"url":"https://github.com/MrSilaz/mfa_email/releases/tag/v1.0.7","tags":["web"]},{"url":"https://github.com/MrSilaz/mfa_email/releases/tag/v2.0.1","tags":["web"]},{"url":"https://github.com/advisories/GHSA-29r8-gvx4-r9w3"},{"url":"https://packagist.org","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/4xxx/CVE-2026-4208.json","tags":["advisory"]},{"url":"https://github.com/MrSilaz/mfa_email","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-4208","title":"Authentication Bypass in extension \"E-Mail MFA Provider\" (mfa_email)","description":"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.","status":"published","published":"2026-03-17T08:34:52.141Z","modified":"2026-03-24T17:20:39.697Z","cvss":[{"version":"4.0","score":7.7,"vector":"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","level":"high","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:19:58.944663Z"}],"euvd":[{"id":"EUVD-2026-12554","description":"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.","status":"published","published":"2026-03-17T08:34:52Z","modified":"2026-03-24T17:20:39Z","cvss":[{"version":"4.0","score":7.7,"vector":"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","level":"high"}],"updated_at":"2026-11-02T19:25:29.933437Z"}],"ghsa":[{"id":"GHSA-29r8-gvx4-r9w3","title":"Authentication Bypass in extension \"E-Mail MFA Provider\" (mfa_email)","description":"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.","status":"published","published":"2026-03-17T09:31:28Z","modified":"2026-04-27T16:45:47Z","cvss":[{"version":"4.0","score":7.7,"vector":"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","level":"high"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:39:59.776263Z"}],"nvd":[{"id":"CVE-2026-4208","description":"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.","status":"published","published":"2026-03-17T09:16:14.81Z","modified":"2026-06-17T10:56:11.803Z","cvss":[{"version":"4.0","score":7.7,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:12:09.735529Z"}],"osv":[{"id":"CVE-2026-4208","title":"Authentication Bypass in extension \"E-Mail MFA Provider\" (mfa_email)","description":"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.","status":"published","published":"2026-03-17T08:34:52.141Z","modified":"2026-10-28T02:30:45.715793521Z","cvss":[{"version":"4.0","score":7.7,"vector":"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","level":"high"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:45:04.117819Z"},{"id":"GHSA-29r8-gvx4-r9w3","title":"Authentication Bypass in extension \"E-Mail MFA Provider\" (mfa_email)","description":"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.","status":"published","published":"2026-03-17T09:31:28Z","modified":"2026-05-05T15:55:58.462567Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"},{"version":"4.0","score":7.7,"vector":"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","level":"high"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T15:46:33.956911Z"}]}}