CVE-2026-4208
March 17, 2026
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.
Affected Packages
ralffreit/mfa-email (PHP):
Affected version(s) =2.0.0 <2.0.1Fix Suggestion:
Update to version 2.0.1ralffreit/mfa-email (PHP):
Affected version(s) >=dev-dev-mailbug-plaintext <1.0.7Fix Suggestion:
Update to version 1.0.7ralffreit/mfa-email (PHP):
Affected version(s) =2.0.0 <2.0.1Fix Suggestion:
Update to version 2.0.1ralffreit/mfa-email (PHP):
Affected version(s) >=dev-dev-mailbug-plaintext <1.0.7Fix Suggestion:
Update to version 1.0.7ralffreit/mfa-email (PHP):
Affected version(s) =2.0.0 <2.0.1Fix Suggestion:
Update to version 2.0.1Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
7.7
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Authorization Bypass Through User-Controlled Key
EPSS
Base Score:
0.06
