CVE-2026-29138

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own.

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-1503	Release Notes

Configurations

Configuration 1 (hide)

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

History

16 Apr 2026, 19:01

Type	Values Removed	Values Added
References	~~() https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure-1503 -~~	() https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html#seppmail-vulnerability-disclosure-1503 - Release Notes
First Time		Seppmail Seppmail secure Email Gateway
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
CPE		cpe:2.3:a:seppmail:secure_email_gateway::::::::

02 Apr 2026, 09:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-02 09:16

Updated : 2026-04-16 19:01

NVD link : CVE-2026-29138

Mitre link : CVE-2026-29138

CVE.ORG link : CVE-2026-29138

JSON object : View

Products Affected

seppmail

secure_email_gateway

CWE

CWE-90

Improper Neutralization of Special Elements used in an LDAP Query ('LDAP Injection')

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