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

No history.

Information

Published : 2026-03-17 09:16

Updated : 2026-06-17 10:56

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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