Vulnerability in Seppmail Secure Email Gateway

CVE-2026-27445

SEPPmail Secure Email Gateway before version 15.0.1 does not properly verify that a PGP signature was generated by the expected key, allowing signature spoofing.

EPSS: 0.000 (6.8th percentile) — read the EPSS interpretation.

Affected products

Seppmail Secure Email Gateway — versions 0

Weakness classification (CWE)

CWE-347 — Improper Verification of Cryptographic Signature

References

downloads.seppmail.com/extrelnotes/150/ERN15.0.html (release-notes)