CVE-2026-25089 Fortinet FortiSandbox OS Command Injection
Unauthenticated attackers can execute arbitrary OS commands on FortiSandbox systems via crafted HTTP requests, requiring immediate patching.
- Exploited in the wild
- Since 16 Jul 2026
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-25089?
CVE-2026-25089 is a critical command injection vulnerability in Fortinet Fortisandbox, published on 9 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A improper neutralization of special elements used in an os command ('os command injection') vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox 4.2 all versions, FortiSandbox Cloud 5.0.4 through 5.0.5, FortiSandbox PaaS 5.0.4 through 5.0.5 may allow an unauthenticated attacker to execute unauthorized commands via specifically crafted HTTP requests
Weakness: CWE-78
Which versions are affected by CVE-2026-25089?
It affects 3 products.
Products include Fortinet Fortisandbox, Fortinet Fortisandbox Cloud, Fortinet Fortisandbox Paas.
How do I fix CVE-2026-25089?
No fix has been published for CVE-2026-25089 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 19 Jul 2026.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-25089 being exploited?
Yes. Attackers have exploited CVE-2026-25089 in the wild since at least 16 Jul 2026.
Public exploit code: 2 proofs of concept on GitHub.
Other vulnerabilities in Fortinet Fortisandbox
Sources
Also known as GHSA-gw24-hwf5-92h2.