CVE-2026-4208CWE-639

Authentication Bypass in extension "E-Mail MFA Provider" (mfa_email)

High · published March 17, 2026

CVSS v4.0
7.7
EPSS
0%
Percentile
39.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
7.7 · HIGH
Vector
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
EPSS
0.00469 · 39.6th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-03-17T08:34Z
EPSS history
Timeline
  • 17 MAR 08:34Z
    Authentication Bypass in extension "E-Mail MFA Provider" (mfa_email)
    cvelistv5