CVE-2026-59835

High

Description

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.

SeverityHigh
CVSS8.6
Exploit probability—
ProductFortinet Fortisandbox
PublishedJul 14, 2026
First seenJul 14, 2026
Weakness typeCWE-668CWE-668

How to fix

Update
  • fortinet fortisandbox4.4.9, 5.0.3 or later

Affected products

ProductAffected versionsFixed in
fortinet fortisandbox4.4.3 ≤ v < 4.4.9, 5.0.0 ≤ v < 5.0.34.4.9, 5.0.3

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CVE-2026-59835 · Fortinet Fortisandbox · Dark Radar