CVE-2026-39813

Directory Traversal Allowing Privilege Escalation in FortiSandbox

Published Apr 14, 2026 CVSS 3.1 · 9.1 Critical EPSS 22.6% KEV · Not listed
Description
A path traversal: '../filedir' vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8 may allow attacker to escalation of privilege via specially crafted HTTP requests.

Remediation

Vendor Solution

Upgrade to FortiSandbox version 5.2.0 or above Upgrade to FortiSandbox version 5.0.6 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
CPEs cpe:2.3:a:fortinet:fortisandboxcloud:23.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandboxcloud:24.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandboxcloud:5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandboxcloud:5.0.5:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Directory Traversal Allowing Privilege Escalation in FortiSandbox
Type Values Removed Values Added
Title Privileged Escalation via Directory Traversal in Fortinet FortiSandbox
Type Values Removed Values Added
Title Privileged Escalation via Directory Traversal in Fortinet FortiSandbox
Type Values Removed Values Added
Title Directory Traversal Allowing Privilege Escalation in Fortinet FortiSandbox
Type Values Removed Values Added
Title Directory Traversal Allowing Privilege Escalation in Fortinet FortiSandbox
Type Values Removed Values Added
Title Directory Traversal Leading to Privilege Escalation in FortiSandbox
Type Values Removed Values Added
Title Directory Traversal Leading to Privilege Escalation in FortiSandbox
Type Values Removed Values Added
Title Path Traversal Allowing Privilege Escalation via Specially Crafted HTTP Requests in FortiSandbox
Type Values Removed Values Added
Title Path Traversal Allowing Privilege Escalation via Specially Crafted HTTP Requests in FortiSandbox
Type Values Removed Values Added
Title FortiSandbox Path Traversal Enables Privilege Escalation via HTTP Requests
Type Values Removed Values Added
Title FortiSandbox Path Traversal Enables Privilege Escalation via HTTP Requests
Type Values Removed Values Added
Description A path traversal: '../filedir' vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8 may allow attacker to escalation of privilege via <insert attack vector here> A path traversal: '../filedir' vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8 may allow attacker to escalation of privilege via specially crafted HTTP requests.
Title Path Traversal Exploitation Allowing Privilege Escalation in Fortinet FortiSandbox
Type Values Removed Values Added
Title Path Traversal Exploitation Allowing Privilege Escalation in Fortinet FortiSandbox
Type Values Removed Values Added
Title Privilege Escalation via Path Traversal in FortiSandbox
Type Values Removed Values Added
CPEs cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*
Type Values Removed Values Added
Title Privilege Escalation via Path Traversal in FortiSandbox
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Description A path traversal: '../filedir' vulnerability in Fortinet FortiSandbox 5.0.0 through 5.0.5, FortiSandbox 4.4.0 through 4.4.8 may allow attacker to escalation of privilege via <insert attack vector here>
First Time appeared Fortinet
Fortinet fortisandbox
Fortinet fortisandboxcloud
Weaknesses CWE-24
CPEs cpe:2.3:a:fortinet:fortisandbox:4.4.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:4.4.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:4.4.2:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:5.0.3:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:5.0.5:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandboxcloud:23.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandboxcloud:24.1:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandboxcloud:5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandboxcloud:5.0.5:*:*:*:*:*:*:*
Vendors & Products Fortinet
Fortinet fortisandbox
Fortinet fortisandboxcloud
References
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
fortinet
Published
Updated
Nov 6, 2026, 3:42 PM
Reserved
Apr 7, 2026, 3:24 PM
Status
Modified
Published
Apr 14, 2026, 4:16 PM
Modified
Nov 6, 2026, 4:18 PM