CVE-2026-106170 Denial of service in FortiSandbox
A privileged attacker can cause persistent denial of service to the GUI and CLI via crafted HTTP requests in FortiSandbox.
- 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-2026-106170?
CVE-2026-106170 is a medium-severity denial of service vulnerability in Fortinet FortiSandbox, published on 13 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
An Uncaught Exception vulnerability [CWE-248] vulnerability in Fortinet FortiSandbox 5.2.0 through 5.2.1, FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4 all versions may allow a privileged attacker to deny access to the GUI and CLI persistently via crafted HTTP requests.
Weakness: CWE-248
Which versions are affected by CVE-2026-106170?
How do I fix CVE-2026-106170?
No fix has been published for CVE-2026-106170 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-106170 being exploited?
There is no known exploitation of CVE-2026-106170 in the wild and no public exploit code.
Sources
Also known as GHSA-x4f3-h3vj-mqpr.