CVE-2026-27444

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:seppmail:seppmail:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-04 09:15

Updated : 2026-03-05 15:34

NVD link : CVE-2026-27444

Mitre link : CVE-2026-27444

CVE.ORG link : CVE-2026-27444

JSON object : View

Products Affected

seppmail

seppmail

CWE

CWE-436

Interpretation Conflict

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