CVE-2026-39808

critical Fortinet ⚠️ CISA KEV — Exploited in the Wild
CVSS v3 Base Score
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
48.7%
Exploitation probability in 30 days
Top 1% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: April 14, 2026 (145 days ago)
Last Modified: July 17, 2026
Vendor: Fortinet
Source: NVD

⚠️ CISA Known Exploited Vulnerability

Added to KEV: 2026-07-16
Remediation Due: 2026-07-19 (⚠ 49d overdue)

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>

CWE

CWE-78

Affected Products

fortinet fortisandbox

References

🔗 fortiguard.fortinet.com 🔗 github.com 🔗 www.cisa.gov