CVE-2026-59835: Fortinet FortiSandbox

High severity, CVSS 8.6. EPSS: 0.4% chance of exploitation in the next 30 days.

A exposure of resource to wrong sphere vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.2, FortiSandbox 4.4.3 through 4.4.8 may allow an unauthenticated attacker to access the VNC server of VMs performing scanning via network requests.

Affected products

• Fortinet FortiSandbox: from 4.4.3, before 4.4.9 (fixed in 4.4.9); from 5.0.0, before 5.0.3 (fixed in 5.0.3)

Published 2026-07-14. Last modified 2026-07-15.