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.

INFO

Published Date :

2026-03-04T08:45:23.130Z

Last Modified :

2026-03-04T08:45:23.130Z

Source :

NCSC.ch
AFFECTED PRODUCTS

The following products are affected by CVE-2026-27443 vulnerability.

Vendors Products
Seppmail
  • Seppmail Secure Email Gateway
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-27443.

URL Resource
https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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