CVE-2026-4208

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.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://typo3.org/security/advisory/typo3-ext-sa-2026-007	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mrsilaz:mfa_mail::::::typo3::*
	cpe:2.3:a:mrsilaz:mfa_mail:2.0.0:::::typo3::

History

25 Apr 2026, 18:43

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.8
Summary		(es) La extensión no restablece correctamente el código MFA generado después de una autenticación exitosa. Esto conduce a una posible omisión de MFA para futuros intentos de inicio de sesión al proporcionar una cadena vacía como código MFA al proveedor de MFA de la extensión.
References	~~() https://typo3.org/security/advisory/typo3-ext-sa-2026-007 -~~	() https://typo3.org/security/advisory/typo3-ext-sa-2026-007 - Vendor Advisory
First Time		Mrsilaz Mrsilaz mfa Mail
CPE		cpe:2.3:a:mrsilaz:mfa_mail:2.0.0:::::typo3:: cpe:2.3:a:mrsilaz:mfa_mail::::::typo3::*

17 Mar 2026, 09:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-17 09:16

Updated : 2026-04-25 18:43

NVD link : CVE-2026-4208

Mitre link : CVE-2026-4208

CVE.ORG link : CVE-2026-4208

JSON object : View

Products Affected

mrsilaz

mfa_mail

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

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