Attackers Exploit Three Fortinet FortiSandbox Flaws, One Patched Last Week

Bad actors are exploiting multiple security vulnerabilities in Fortinet FortiSandbox, according to threat intelligence firm Defused Cyber. In a post shared on X, the company said it has observed exploitation of CVE-2026-39813, CVE-2026-39808, and CVE-2026-25089 over the past 24 hours...

VulnCheck KEV: CVE-2026-39808

A improper neutralization of special elements used in an os command 'os command injection' vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.8 may allow attacker to execute unauthorized code or commands via...

Exploit for OS Command Injection in Fortinet Fortisandbox

FortiSandbox RCE Scanner — CVE-2026-39808...