Description

SEPPmail Secure Email Gateway before version 15.0.1 incorrectly interprets email addresses in the email headers, causing an interpretation conflict with other mail infrastructure that allows an attacker to fake the source of the email or decrypt it.

INFO

Published Date :

2026-03-04T08:47:05.758Z

Last Modified :

2026-03-04T19:28:55.122Z

Source :

NCSC.ch
AFFECTED PRODUCTS

The following products are affected by CVE-2026-27444 vulnerability.

Vendors Products
Seppmail
  • Seppmail
  • Seppmail Secure Email Gateway
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-27444.

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.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact