Authentication bypass using an alternate path or channel in E-Mail MFA Provider - CVE-2026-4208
Published: March 18, 2026
Vulnerability identifier: #VU124087
CSH Severity: Medium
CVSS v4: 7.7 [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]
CVE-ID: CVE-2026-4208
CWE-ID: CWE-288
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to the affected extension fails to properly reset the generated MFA code after successful authentication. A remote user can bypass authentication and gain access to the target system.
Affected software
E-Mail MFA Provider
How to mitigate CVE-2026-4208
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.