CVE-2026-84831
Mandatory MFA bypass before enrollment
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
SEPPmail Secure Email Gateway before 15.0.7 creates a fully privileged session before required multi-factor authentication enrollment is completed. An attacker with the password for an MFA-required but unenrolled account can access protected functionality without providing a second factor.
| CWE | CWE-287 CWE-306 |
| Vendor | seppmail ag |
| Product | seppmail secure email gateway (seg) |
| Published | Sep 3, 2026 |
| Last Updated | Sep 3, 2026 |
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Affected Versions
SEPPmail AG / SEPPmail Secure Email Gateway (SEG)
0 < 15.0.7
References
Credits
Emposo GmbH