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.

Score

CVSS 3.1 8.8 High

Status

Analyzed - f4fb688c-4412-4426-b4b8-421ecf27b14a

Published

2026-03-17

Last modified

2026-03-24

Weaknesses

CWE-639

Affected products

• Mfa Mail (Mrsilaz)
• Extension E-mail Mfa Provider (Typo3)

References

• https://typo3.org/security/advisory/typo3-ext-sa-2026-007