CVE-2026-2748
7.8
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:H/SA:N
Summary
SEPPmail Secure Email Gateway before version 15.0.1 improperly validates S/MIME certificates issued for email addresses containing whitespaces, allowing signature spoofing.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| SEPPmail | Secure Email Gateway | 0 < 15.0.1 | affected |
Weaknesses
- CWE-295: CWE-295 Improper Certificate Validation
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
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