CVE-2026-26083 Missing authorization in FortiSandbox
Unauthenticated attackers can execute unauthorized code or commands via HTTP requests due to missing authorization checks in FortiSandbox.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-26083?
CVE-2026-26083 is a critical missing authorization vulnerability in Fortinet Fortisandbox, published on 12 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A missing authorization vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.1, FortiSandbox 4.4.0 through 4.4.8, FortiSandbox Cloud 5.0.2 through 5.0.5, FortiSandbox PaaS 23.4 all versions, FortiSandbox PaaS 23.3 all versions, FortiSandbox PaaS 23.1 all versions, FortiSandbox PaaS 22.2 all versions, FortiSandbox PaaS 22.1 all versions, FortiSandbox PaaS 21.4 all versions, FortiSandbox PaaS 21.3 all versions, FortiSandbox PaaS 5.0.0 through 5.0.1, FortiSandbox PaaS 4.4.5 through 4.4.8 may allow an unauthenticated attacker to execute unauthorized code or commands via HTTP requests.
Weakness: CWE-862
Which versions are affected by CVE-2026-26083?
It affects 3 products.
Products include Fortinet Fortisandbox, Fortinet Fortisandbox Cloud, Fortinet Fortisandbox Paas.
How do I fix CVE-2026-26083?
No fix has been published for CVE-2026-26083 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-26083 being exploited?
There is no known exploitation of CVE-2026-26083 in the wild and no public exploit code.
Other vulnerabilities in Fortinet Fortisandbox
Sources
Also known as GHSA-5cw8-3wjv-7mvq.