Command Injection Vulnerability in SEPPmail Secure Email Gateway
CVE-2026-84830

8.6HIGH

Key Information:

Vendor

Seppmail Ag

Status
Secure Email Gateway
Vendor
CVE Published:
3 September 2026

What is CVE-2026-84830?

The SEPPmail Secure Email Gateway, prior to version 15.0.7, is affected by a command injection vulnerability. This flaw allows authenticated administrators to execute arbitrary commands on the server with elevated privileges, potentially compromising the security of the entire system.

Affected Version(s)

Secure Email Gateway 0 < 15.0.7

References

https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Emposo GmbH
.