CVE-2026-39808

unknowncovered by 1 sourcefirst seen 2026-04-14

CVSSv3 Score: 9.1 An Improper Neutralization of Special Elements used in an OS Command ('OS command injection') vulnerability [CWE-78] in FortiSandbox may allow an unauthenticated attacker to execute unauthorized code or commands via crafted HTTP requests. Revised on 2026-04-14 00:00:00

CSIRTS triage

What: An unauthenticated attacker may execute unauthorized commands via crafted HTTP requests.
Who is affected: Users of FortiSandbox.
Urgency: Remediation is critical due to the high severity of potential exploitation.
Action: Apply security patches as soon as they are available.

AI-assisted analysis generated from the source advisory — verify against the original.

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Exploitation outlook

Elevated exploitation risk48.7% 30-day exploitation probability — well above the norm. Schedule remediation this cycle. Riskier than 99% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownOS Command Injection through API endpointfortinet · 2026-04-14

External references

NVD record for CVE-2026-39808

CVE.org record

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