CVE-2026-30809 OS Command Injection in WebServerModuleDebug via Blacklist Bypass leads to Remote Code Execution

High 8.7 Published 13 Apr 2026 Updated 13 Apr 2026

Attackers can execute arbitrary OS commands via the WebServerModuleDebug component, leading to remote code execution on Pandora FMS servers.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-30809?

CVE-2026-30809 is a high-severity command injection vulnerability in Artica Pandora Fms, published on 13 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Improper Neutralization of Special Elements used in an OS Command vulnerability allows OS Command Injection via WebServerModuleDebug. This issue affects Pandora FMS: from 777 through 800

Weakness: CWE-78

Which versions are affected by CVE-2026-30809?

It affects 1 product.

Products include Artica Pandora Fms.

How do I fix CVE-2026-30809?

No fix has been published for CVE-2026-30809 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-2026-30809 being exploited?

There is no known exploitation of CVE-2026-30809 in the wild and no public exploit code.

All Artica Pandora Fms vulnerabilities

Sources

Also known as GHSA-9w52-f5xp-pq4c.