---
id: CVE-2026-84830
title: OS command injection in privileged configuration handling
summary: >-
  SEPPmail Secure Email Gateway before 15.0.7 contains a command injection
  vulnerability that allows authenticated administrators to execute commands
  with elevated privileges.
severity: high
cvss: 8.6
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'
cvssSource: cna
cwe:
  - CWE-78
  - CWE-269
vendor: SEPPmail AG
product: Secure Email Gateway
affected:
  - secure_email_gateway < 15.0.7
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-03T12:32:27.907304Z'
published: '2026-09-03'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T11:16:49.616Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-84830'
references:
  - url: 'https://downloads.seppmail.com/extrelnotes/150/ERN15.0.html'
tags:
  - cve.org
epss: 0.01249
epssPercentile: 0.6846
ingestedAt: '2026-10-08T11:31:27.693Z'
---

## Overview

SEPPmail Secure Email Gateway before 15.0.7 contains a command injection vulnerability that allows authenticated administrators to execute commands with elevated privileges.

## Affected

- `secure_email_gateway < 15.0.7`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.