RCE in Fortinet Fortisandbox

CVE-2026-84387

A improper neutralization of special elements used in a command ('command injection') vulnerability in Fortinet FortiSandbox 5.2.0, FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4.0 through 4.4.9 may allow attacker to execute unauthorized code or commands via <insert attack vector here>

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-84387?
CVE-2026-84387 is a high-severity vulnerability in Fortinet Fortisandbox, classified under Command Injection. CVSS score: 7.2/10. Published 2026-09-08.
How severe is CVE-2026-84387?
High severity. CVSS v3 base score is 7.2 out of 10.