Name: CVE-2026-39808: Improper Neutralization of Special Elements used in an OS Command
Creator: Rapid7
Published: 2026-04-14T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-39808, CWE-78, Exploited in the Wild, CISA KEV Exploit, CVSS 9.8, EPSS 0.47362, CISA KEV

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>

CVSS Details

CVSS 4.0 Base Score: 10 (Critical)
CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H)
CVSS 3.1 Base Score: 9.8
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Fortinet Fortisandbox	—	Upgrade FortiSandbox to 4.4.9Upgrade to the latest version of FortiSandbox	Oct 1, 2026	Apr 14, 2026

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CVSS Details

Covered by Rapid7

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