CVE-2026-2747: Seppmail

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

SEPPmail Secure Email Gateway before version 15.0.1 decrypts inline PGP messages without isolating them from surrounding unencrypted content, allowing exposure of sensitive information to an unauthorized actor.

Affected products

• Seppmail Seppmail: before 15.0.1 (fixed in 15.0.1)

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