Critical severity9.8NVD Advisory· Published Apr 14, 2026· Updated Apr 22, 2026
CVE-2026-39808
CVE-2026-39808
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
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*range: >=4.4.0,<=4.4.9
- (no CPE)range: 4.4.0 through 4.4.8
Patches
Vulnerability mechanics
References
1- fortiguard.fortinet.com/psirt/FG-IR-26-100nvdVendor Advisory
News mentions
9- 22nd June – Threat Intelligence ReportCheck Point Research · Jun 22, 2026
- Week in review: 74k Fortinet firewall credentials stolen, Splunk Enterprise RCE under active attackHelp Net Security · Jun 21, 2026
- Attackers hit pair of critical Fortinet vulnerabilities the vendor disclosed in AprilCyberScoop · Jun 17, 2026
- 3 Recently Patched Fortinet FortiSandbox Vulnerabilities in Hacker CrosshairsSecurityWeek · Jun 17, 2026
- Three critical Fortinet sandbox bugs splattered by unknown attackersThe Register Security · Jun 16, 2026
- Critical Fortinet FortiSandbox Vulnerabilities Actively Exploited in AttacksCyber Security News · Jun 16, 2026
- Attackers are exploiting FortiSandbox vulnerabilitiesHelp Net Security · Jun 16, 2026
- Attackers Exploit Three Fortinet FortiSandbox Flaws, One Patched Last WeekThe Hacker News · Jun 16, 2026
- Critical Fortinet FortiSandbox flaws now exploited in attacksBleepingComputer · Jun 16, 2026