CVE-2026-4208

7.7 highEPSS 0.3%

High (7.7) in mrsilaz mfa mail. EPSS 0.3% chance of exploitation in the next 30 days.

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

CVSS 4.0

7.7 high

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

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-31)
CWE: CWE-639
Published: 2026-03-17
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mrsilaz:mfa_mail

References

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

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