CVE-2026-27441: Seppmail

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

SEPPmail Secure Email Gateway before version 15.0.1 insufficiently neutralizes the PDF encryption password, allowing OS command execution.

Affected products

• Seppmail Seppmail: before 15.0.1 (fixed in 15.0.1)

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