CVSS 9.8ACTIVELY EXPLOITED4 sources verified·1 min read
By Lyrie Threat Intelligence·7/16/2026
CRITICAL: CVE-2026-39808 actively exploited — fortinet fortisandbox
CVE: CVE-2026-39808
CVSS: 9.8 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL
Status: ✅ Confirmed exploited in the wild (CISA KEV)
Affected
- fortinet fortisandbox
Summary
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>
Verified Sources
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
_Validated by the Lyrie Threat Intelligence Pipeline — 3 independent sources confirmed before publication. No speculation._
Lyrie Verdict
Lyrie's autonomous detection layer catches active exploitation primitives at machine speed — closing the gap between disclosure and weaponization that traditional defense simply can't cover.
Validated sources
- [1]NVD
- [2]GitHub Advisory
- [3]MITRE
- [4]CISA KEV
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