CVE-2026-59835

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.

CVSS v3 8.6 HIGH

8.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://fortiguard.fortinet.com/psirt/FG-IR-26-145	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:fortinet:fortisandbox::::::::
	cpe:2.3:a:fortinet:fortisandbox::::::::

History

15 Jul 2026, 15:00

Type	Values Removed	Values Added
References	~~() https://fortiguard.fortinet.com/psirt/FG-IR-26-145 -~~	() https://fortiguard.fortinet.com/psirt/FG-IR-26-145 - Vendor Advisory
First Time		Fortinet fortisandbox Fortinet
CPE		cpe:2.3:a:fortinet:fortisandbox::::::::

14 Jul 2026, 16:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-07-14 16:17

Updated : 2026-07-15 15:00

NVD link : CVE-2026-59835

Mitre link : CVE-2026-59835

CVE.ORG link : CVE-2026-59835

JSON object : View

Products Affected

fortinet

fortisandbox

CWE

CWE-668

Exposure of Resource to Wrong Sphere

{"id": "CVE-2026-59835", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-59835", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-14T15:55:18.212803Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "psirt@fortinet.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.7, "exploitabilityScore": 3.9}]}, "affected": [{"source": "psirt@fortinet.com", "affectedData": [{"cpes": ["cpe:2.3:a:fortinet:fortisandbox:5.0.2:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortisandbox:5.0.1:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortisandbox:5.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortisandbox:4.4.8:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortisandbox:4.4.7:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortisandbox:4.4.6:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortisandbox:4.4.5:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortisandbox:4.4.4:*:*:*:*:*:*:*", "cpe:2.3:a:fortinet:fortisandbox:4.4.3:*:*:*:*:*:*:*"], "vendor": "Fortinet", "product": "FortiSandbox", "versions": [{"status": "affected", "version": "5.0.0", "versionType": "semver", "lessThanOrEqual": "5.0.2"}, {"status": "affected", "version": "4.4.3", "versionType": "semver", "lessThanOrEqual": "4.4.8"}], "defaultStatus": "unaffected"}]}], "published": "2026-07-14T16:17:02.593", "references": [{"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-145", "tags": ["Vendor Advisory"], "source": "psirt@fortinet.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "psirt@fortinet.com", "description": [{"lang": "en", "value": "CWE-668"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-07-15T15:00:41.437", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "733F4C04-3FDF-4F9D-AE7B-154FB95A5E20", "versionEndExcluding": "4.4.9", "versionStartIncluding": "4.4.3"}, {"criteria": "cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7A1CEA31-8309-4B13-8A3C-4830394A728D", "versionEndExcluding": "5.0.3", "versionStartIncluding": "5.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@fortinet.com"}