Not scored yet
CVE-2026-84831
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.
What this means for your business
- FIRST's prediction model gives it a 0.5% chance of attack attempts being seen in the next 30 days, ranking above 37% of all known flaws.
What to do
- 1Ask your IT team or provider whether any of your systems use the affected product.
- 2If you do, follow the vendor's guidance. No patch reference has been published yet.
Fastnexa security experts
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Scoring
- CVSS
- Not yet scored
- CVSS v4
- 7.7
- Weakness
- CWE-287
- Assigned by
- vulnerability@ncsc.ch
Dates
- Published
- 2026-09-03
- Last modified
- 2026-09-03
- Sources
- NVD