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HIGH · 7.5

CVE-2026-29134

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

Vulnerability Description

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

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
SeppmailSecure Email Gateway< 15.0.3

Related Weaknesses (CWE)

CWE-807

References

FAQ

What is CVE-2026-29134?

CVE-2026-29134 is a vulnerability with a CVSS score of 7.5 (HIGH). SEPPmail Secure Email Gateway before version 15.0.3 allows an external user to modify GINA webdomain metadata and bypass per-domain restrictions.

How severe is CVE-2026-29134?

CVE-2026-29134 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-29134?

Check the references section above for vendor advisories and patch information. Affected products include: Seppmail Secure Email Gateway.