CVE-2026-84830 OS command injection in privileged configuration handling
Authenticated administrators can execute arbitrary commands with elevated privileges in SEPPmail Secure Email Gateway.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-84830?
CVE-2026-84830 is a high-severity command injection vulnerability in SEPPmail AG Secure Email Gateway, published on 3 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
SEPPmail Secure Email Gateway before 15.0.7 contains a command injection vulnerability that allows authenticated administrators to execute commands with elevated privileges.
Which versions are affected by CVE-2026-84830?
How do I fix CVE-2026-84830?
No fix has been published for CVE-2026-84830 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-84830 being exploited?
There is no known exploitation of CVE-2026-84830 in the wild and no public exploit code.
Sources
Also known as GHSA-8gfp-fw48-772r.