What’s Vulnerable › Vulnerabilities

CVE-2026-39808: Fortinet FortiSandbox OS Command Injection Vulnerability

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2026-07-16
• EPSS: 93.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-04-14 · updated 2026-10-26
• Weakness: CWE-78

Description

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 <insert attack vector here>

Affected products

• Fortinet FortiSandbox: from 4.4.0 through 4.4.9

References

• https://fortiguard.fortinet.com/psirt/FG-IR-26-100
• https://github.com/samu-delucas/CVE-2026-39808
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-39808

Get alerted when CVE-2026-39808 or the next vulnerability affects your stack