CVE-2026-2747

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.

Score

CVSS 3.1 7.5 High

Status

Analyzed - vulnerability@ncsc.ch

Published

2026-03-04

Last modified

2026-03-04

Weaknesses

CWE-200

Affected products

• Seppmail (Seppmail)
• Seppmail Secure Email Gateway (Seppmail)

References

• https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure