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CVE-2026-4208highCWE-639

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

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.7epss 0.3%
exploitation probability
0.3%top 82% of all CVEs
observed exploitation
nono source reports it
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.
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