CVE-2026-2746: Seppmail

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

SEPPmail Secure Email Gateway before version 15.0.1 does not properly communicate PGP signature verification results, leaving users unable to detect forged emails.

Affected products

• Seppmail Seppmail: before 15.0.1 (fixed in 15.0.1)

Published 2026-03-04. Last modified 2026-06-17.