PT-2026-39002 · Seppmail Ag · Secure Email Gateway

Published 2026-05-08 · Updated 2026-05-08 · CVE-2026-44126

Mitre

CVSS v4.0

9.2

Critical

Base vector

AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

SEPPmail Secure Email Gateway before version 15.0.4 insecurely deserializes untrusted data, which can be reached from the new GINA UI and may allow unauthenticated remote attackers to execute code via a crafted serialized object.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-44126

Affected Products

Secure Email Gateway

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-44126 · Security Note
• https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#security · Note