CVE-2026-25836 Command injection in FortiSandbox Cloud

Medium 6.7 Published Updated

Privileged attackers with CLI access can execute unauthorized code via crafted HTTP requests in FortiSandbox Cloud and PaaS.

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-2026-25836?

CVE-2026-25836 is a medium-severity command injection vulnerability in Fortinet FortiSandbox Cloud, published on 10 Mar 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox Cloud 5.0.4, FortiSandbox PaaS 5.0.4 may allow a privileged attacker with super-admin profile and CLI access to execute unauthorized code or commands via crafted HTTP requests.

Weakness: CWE-78

Which versions are affected by CVE-2026-25836?

It affects 1 product.

Products include Fortinet Fortisandbox Cloud.

How do I fix CVE-2026-25836?

No fix has been published for CVE-2026-25836 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-2026-25836 being exploited?

There is no known exploitation of CVE-2026-25836 in the wild and no public exploit code.

Sources

Also known as GHSA-4j52-3x46-3m7g.

Is CVE-2026-25836 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free