CVE-2026-25691 Path traversal in FortiSandbox

Medium 6.2 Published Updated

Privileged attackers with CLI access can delete arbitrary directories via crafted HTTP requests in FortiSandbox products.

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-2026-25691?

CVE-2026-25691 is a medium-severity path traversal vulnerability in Fortinet Fortisandbox, published on 14 Apr 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A improper limitation of a pathname to a restricted directory ('path traversal') 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, FortiSandbox PaaS 5.0.4 may allow a privileged attacker with super-admin profile and CLI access to delete an arbitrary directory via HTTP crafted requests.

Weakness: CWE-22

Which versions are affected by CVE-2026-25691?

It affects 2 products.

Products include Fortinet Fortisandbox, Fortinet Fortisandbox Cloud.

How do I fix CVE-2026-25691?

No fix has been published for CVE-2026-25691 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-25691 being exploited?

There is no known exploitation of CVE-2026-25691 in the wild and no public exploit code.

All Fortinet Fortisandbox vulnerabilities

Sources

Also known as GHSA-j3x3-rc9w-wf4m.

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