CVE-2026-39808CRITICAL 9.8CISA KEVEPSS p98.8%

CVE-2026-39808Fortinet FortiSandbox OS Command Injection Vulnerability

Fortinet / FortiSandbox

Description

Fortinet FortiSandbox contains an OS command injection vulnerability that could allow an unauthenticated attacker to execute unauthorized code or commands via crafted HTTP requests.

Scoring

CVSS 3.19.8 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS47.36% probability of exploitation · percentile 98.8% · 2026-10-03T12:00:21Z
Published2026-04-14
Last modified2026-07-17

CISA KEV entry

Added to KEV: 2026-07-16

Underlying weaknesses· 1

CWE-78

References

  1. https://fortiguard.fortinet.com/psirt/FG-IR-26-100
  2. https://github.com/samu-delucas/CVE-2026-39808

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements used in an OS Command ('OS Command Injection')cwe-780%live

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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.