CVE-2026-29144

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge security tags using Unicode lookalike characters.

CVSS v3 5.3 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure-1503	Release Notes

Configurations

Configuration 1 (hide)

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

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) SEPPmail Secure Email Gateway antes de la versión 15.0.3 permite a un atacante eludir la sanitización del asunto y falsificar etiquetas de seguridad utilizando caracteres Unicode de apariencia similar.

Information

Published : 2026-04-02 09:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-29144

Mitre link : CVE-2026-29144

CVE.ORG link : CVE-2026-29144

JSON object : View

Products Affected

seppmail

secure_email_gateway

CWE

CWE-20

Improper Input Validation

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