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MEDIUM · 6.1

CVE-2026-29136

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to inject HTML into notification emails about new CA certificates.

Vulnerability Description

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to inject HTML into notification emails about new CA certificates.

CVSS Score

6.1

MEDIUM

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

Affected Products

VendorProductVersions
SeppmailSecure Email Gateway< 15.0.3

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2026-29136?

CVE-2026-29136 is a vulnerability with a CVSS score of 6.1 (MEDIUM). SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to inject HTML into notification emails about new CA certificates.

How severe is CVE-2026-29136?

CVE-2026-29136 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-29136?

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