critical9.1
CVE-2026-29143
SEPPmail Secure Email Gateway before version 15.0.3 does not properly authenticate the inner message of S/MIME-encrypted MIME entities, allowing an attacker to…
Impact
SEPPmail Secure Email Gateway before version 15.0.3 does not properly authenticate the inner message of S/MIME-encrypted MIME entities, allowing an attacker to control trusted headers.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Seppmail | Secure Email Gateway | before 15.0.3 |