CVE-2026-2747

SEPPmail Secure Email Gateway before version 15.0.1 decrypts inline PGP messages without isolating them from surrounding unencrypted content, allowing exposure of sensitive information to an unauthorized actor.

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 HIGH

Integrity Impact NONE

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

17 Jun 2026, 10:31

Type	Values Removed	Values Added
Summary		(es) La Pasarela de Correo Electrónico Seguro SEPPmail antes de la versión 15.0.1 descifra mensajes PGP en línea sin aislarlos del contenido no cifrado circundante, permitiendo la exposición de información sensible a un actor no autorizado.

05 Mar 2026, 15:15

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
CPE		cpe:2.3:a:seppmail:seppmail::::::::
First Time		Seppmail Seppmail seppmail
CWE		NVD-CWE-noinfo
References	~~() https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure -~~	() https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure - Vendor Advisory

04 Mar 2026, 09:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-04 09:15

Updated : 2026-06-17 10:31

NVD link : CVE-2026-2747

Mitre link : CVE-2026-2747

CVE.ORG link : CVE-2026-2747

JSON object : View

Products Affected

seppmail

seppmail

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

NVD-CWE-noinfo

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