Authentication Bypass in extension "E-Mail MFA Provider" (mfa_email)
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.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | ralffreit/mfa-email | < 1.0.7, >= 2.0.0, < 2.0.1 | 1.0.7, 2.0.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-4208
- https://github.com/MrSilaz/mfa_email/commit/0bb7e85b236a5232f7b092915453dd7c3da48f12
- https://github.com/MrSilaz/mfa_email
- https://github.com/MrSilaz/mfa_email/releases/tag/v1.0.7
- https://github.com/MrSilaz/mfa_email/releases/tag/v2.0.1
- https://typo3.org/security/advisory/typo3-ext-sa-2026-007
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-639- Platform
- Composer
- Package
ralffreit/mfa-email- Disclosed
- 17.03.2026
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-29r8-gvx4-r9w3 - CC BY 4.0
Vulnerability history: ralffreit/mfa-email
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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