CVE-2026-106170

Uncaught Exception Leads to Persistent GUI and CLI Denial of Service in FortiSandbox

Published Oct 13, 2026 CVSS 3.1 · 4.8 Medium EPSS < 1% KEV · Not listed

Description

An Uncaught Exception vulnerability [CWE-248] vulnerability in Fortinet FortiSandbox 5.2.0 through 5.2.1, FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4 all versions may allow a privileged attacker to deny access to the GUI and CLI persistently via crafted HTTP requests.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Fortinet

FortiSandbox

unaffected

Version	Status	Constraints
`5.2.0`	affected	≤ 5.2.1
`5.0.0`	affected	≤ 5.0.6
`4.4.0`	affected	≤ 4.4.10

No data.

Vendor Product Versions

Fortinet

Fortisandbox

Version	Status	Scheme	Platform
`[5.2.0,5.2.1]`	affected	semver	—
`[5.0.0,5.0.6]`	affected	semver	—
`[4.4.0,4.4.10]`	affected	semver	—

Remediation

Vendor Solution

Upgrade to FortiSandbox version 5.2.2 or above Upgrade to FortiSandbox version 5.0.7 or above

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.284% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://fortiguard.fortinet.com/psirt/FG-IR-26-176

History

Nov 7, 2026 7:30 AM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Oct 13, 2026 8:45 PM Title updated View changes

Type	Values Removed	Values Added
Title		Uncaught Exception Leads to Persistent GUI and CLI Denial of Service in FortiSandbox

Oct 13, 2026 6:00 PM Description updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		An Uncaught Exception vulnerability [CWE-248] vulnerability in Fortinet FortiSandbox 5.2.0 through 5.2.1, FortiSandbox 5.0.0 through 5.0.6, FortiSandbox 4.4 all versions may allow a privileged attacker to deny access to the GUI and CLI persistently via crafted HTTP requests.
First Time appeared		Fortinet Fortinet fortisandbox
Weaknesses		CWE-248
CPEs		cpe:2.3:a:fortinet:fortisandbox:4.4.0:::::::* cpe:2.3:a:fortinet:fortisandbox:4.4.10:::::::* 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:4.4.9:::::::* 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:fortisandbox:5.0.6:::::::* cpe:2.3:a:fortinet:fortisandbox:5.2.0:::::::* cpe:2.3:a:fortinet:fortisandbox:5.2.1:::::::*
Vendors & Products		Fortinet Fortinet fortisandbox
References		https://fortiguard.fortinet.com/psirt/FG-IR-26-176
Metrics		cvssV3_1 `{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:F/RL:O/RC:C'}`