Security Advisory

CVE-2026-27443

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-04 08:45:23

Last updated 2026-03-04 19:41:41

Assigner NCSC.ch

State PUBLISHED

Description

SEPPmail Secure Email Gateway before version 15.0.1 does not properly sanitize the headers from S/MIME protected MIME entities, allowing an attacker to control trusted headers.

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