CVE-2026-59835

Published Jul 14, 2026 CVSS 3.1 · 7.7 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

Upgrade to FortiSandbox version 5.0.3 or above Upgrade to FortiSandbox version 4.4.9 or above

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Unauthenticated VNC Access in FortiSandbox Allowing Remote Desktop
Type Values Removed Values Added
Title Unauthenticated VNC Access in FortiSandbox Allowing Remote Desktop
Type Values Removed Values Added
Title Unauthenticated VNC Access in FortiSandbox
Type Values Removed Values Added
Title Unauthenticated VNC Access in FortiSandbox
Type Values Removed Values Added
Title Unauthenticated VNC Server Access via Resource Exposure in FortiSandbox
Type Values Removed Values Added
Title Unauthenticated VNC Server Access via Resource Exposure in FortiSandbox
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
First Time appeared Fortinet
Fortinet fortisandbox
Weaknesses CWE-668
CPEs cpe:2.3:a:fortinet:fortisandbox:4.4.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:4.4.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:4.4.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:4.4.6:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:4.4.7:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:4.4.8:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:5.0.2:*:*:*:*:*:*:*
Vendors & Products Fortinet
Fortinet fortisandbox
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L/E:P/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
fortinet
Published
Updated
Jul 16, 2026, 7:35 AM
Reserved
Jul 7, 2026, 3:21 PM
Status
Analyzed
Published
Jul 14, 2026, 4:17 PM
Modified
Oct 24, 2026, 9:10 PM