CVE-2026-25089

unknowncovered by 1 sourcefirst seen 2026-06-09

CVSSv3 Score: 9.1 An improper neutralization of special elements used in an OS command vulnerability [CWE-78] in FortiSandbox, FortiSandbox Cloud and FortiSandbox PaaS WEB UI may allow an unauthenticated attacker to execute unauthorized commands via specifically crafted HTTP requests. Revised on 2026-06-09 00:00:00

CSIRTS triage

What: An improper neutralization of special elements used in an OS command vulnerability allows unauthenticated attackers to execute unauthorized commands.
Who is affected: Users of FortiSandbox, FortiSandbox Cloud, and FortiSandbox PaaS WEB UI.
Urgency: Remediation is critical due to the high severity and potential for remote code execution.
Action: Apply the latest security updates from Fortinet.

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

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Exploitation outlook

Elevated exploitation risk23.4% 30-day exploitation probability — well above the norm. Schedule remediation this cycle. Riskier than 98% of all EPSS-scored CVEs.

Advisory coverage (1)

unknownSecond-Order OS Command Injection via JSON Input on start vnc featurefortinet · 2026-06-09

External references

NVD record for CVE-2026-25089

CVE.org record

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