Lyrie
Actively Exploited
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. [1]NVD
  2. [2]GitHub Advisory
  3. [3]MITRE
  4. [4]CISA KEV