SB2026031805 - Authentication bypass using an alternate path or channel in E-Mail MFA Provider extension for TYPO3
Published: March 18, 2026
Security Bulletin ID
SB2026031805
CSH Severity
Medium
Patch available
NO
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Authentication bypass using an alternate path or channel (CVE-ID: CVE-2026-4208)
CWE-ID: CWE-288 - Authentication Bypass Using an Alternate Path or Channel
CVSSv4: 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/E:U/U:Green
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.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.