CVE-2026-59835: fortisandbox from 4.4.3 (inclusive), before 4.4.9 (exclusive), from 5.0.0 (inclusive), before 5.0.3 (exclusive); +1…

Affected technology

fortisandbox · from 4.4.3 (inclusive), before 4.4.9 (exclusive)
fortinet

fortisandbox · from 5.0.0 (inclusive), before 5.0.3 (exclusive)
fortinet

FortiSandbox · 5.0.0 through 5.0.2, 4.4.3 through 4.4.8
Fortinet

Description’s affected range: through 5.0.2, FortiSandbox 4.4.3 through 4.4.8 may

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

An unauthenticated attacker may access the VNC server of VMs performing scanning via network requests. Vendor/CNA’s CVSS 3.1 assessment (base score 8.6/10) rates confidentiality impact as high; integrity and availability impact as low.