Authorization Bypass Through User-Controlled Key Affecting ralffreit/mfa-email package, versions <1.0.7>=2.0.0, <2.0.1


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.26% (17th percentile)

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  • Snyk IDSNYK-PHP-RALFFREITMFAEMAIL-15680059
  • published18 Mar 2026
  • disclosed17 Mar 2026
  • creditJan Holtkotter

Introduced: 17 Mar 2026

CVE-2026-4208  (opens in a new tab)
CWE-639  (opens in a new tab)

How to fix?

Upgrade ralffreit/mfa-email to version 1.0.7, 2.0.1 or higher.

Overview

Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key due to improper resetting of the generated MFA code after successful authentication. An attacker can gain unauthorized access by submitting an empty string as the MFA code in subsequent login attempts.

CVSS Base Scores

version 4.0
version 3.1