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CVE-2026-29134

MEDIUM CVSS 4.0: 5.3 EPSS 0.06%
Updated Apr 16, 2026
Seppmail
Parameter Value
CVSS 5.3 (MEDIUM)
Affected Versions 0 — 15.0.3
Fixed In 15.0.3
Type CWE-807
Vendor Seppmail
Public PoC No

SEPPmail Secure Email Gateway before version 15.0.3 allows an external user to modify GINA webdomain metadata and bypass per-domain restrictions.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
None
No disruption

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Seppmail Seppmail_Secure_Email_Gateway
cpe:2.3:a:seppmail:seppmail_secure_email_gateway:*:*:*:*:*:*:*:*
0 15.0.3
Seppmail Secure_Email_Gateway
cpe:2.3:a:seppmail:secure_email_gateway:*:*:*:*:*:*:*:*
15.0.3