CVE-2026-59835
📛 CVE Title
CVE-2026-59835
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.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- fortinet
- CVSS severity
- HIGH
- CVSS score
- 7.7 / 10
- CVSS 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- Effective score
- 7.7 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-668 - Reserved
- 2026-07-07
- Published
- 2026-07-14 15:12 UTC
- Last updated
- 2026-07-16 07:35 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/59xxx/CVE-2026-59835.json
- Linked Threat
- CVE-2026-59835 — CVE-2026-59835
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-07-14 16:17:02 UTC
- NVD last modified
- 2026-07-15 15:00:41 UTC
- NVD CVSS v3.1
- 8.6 / 10 HIGH source: psirt@fortinet.com
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L- Exploitability subscore
- 3.9 / 10
- Impact subscore
- 4.7 / 10
- EPSS score
- 0.0046 (probability of exploitation in next 30 days)
- EPSS percentile
- 37.56% vs all CVEs — higher = more likely to be exploited, as of 2026-07-30
NVD / KEV / EPSS data refreshed 2026-07-31 09:13 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-43710 - Assigner
- fortinet
- Published
- Jul 14, 2026, 3:12:20 PM
- Updated
- Jul 16, 2026, 7:35:10 AM
- EUVD base score (CVSS 3.1)
-
7.7 / 10
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 - EUVD-reported EPSS
- 0.4600
- Vendors
- Fortinet
- Products
-
FortiSandbox (4.4.3 ≤4.4.8)FortiSandbox (5.0.0 ≤5.0.2)
- Aliases
-
GHSA-8fjf-5954-r8w4
ENISA 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.
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Fortinet | FortiSandbox |
5.0.0 (affected),
4.4.3 (affected)
|
— |
Affected products — CPE 2.3 (1) NVD
NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.
cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
MITRE references (1) cveawg.mitre.org
Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://fortiguard.fortinet.com/psirt/FG-IR-26-145 psirt@fortinet.com Vendor Advisory
Remediations (10)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:app.opencve.io
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.
2026-07-31 23:22 UTC -
web:arcraiders.com
ARC Raiders is a multiplayer extraction adventure, set in a lethal future earth, ravaged by a mysterious mechanized threat known as ARC.
2026-07-31 23:22 UTC -
web:cybersecuritynews.com
Fortinet has disclosed a high-severity vulnerability in FortiSandbox that could let unauthenticated attackers gain access to the VNC server of virtual machines used for malware scanning.
2026-07-31 23:22 UTC -
web:epatch.pa.gov
Why does PATCH exist? Its purpose is to better enable the public to obtain criminal history record checks. The repository was created and is maintained in accordance with Pennsylvania's Criminal History Information Act contained in Chapter 91 of Title 18, Crimes Code. This Act also directs the Pennsylvania State Police (PSP) to disseminate criminal history data to criminal justice agencies ...
2026-07-31 23:22 UTC -
web:fortiguard.fortinet.com
None Summary An Exposure of Resource to Wrong Sphere vulnerability [CWE-668] in FortiSandbox may allow an unauthenticated attacker to access the VNC server of VMs performing scanning via network requests.
2026-07-31 23:22 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-07-31 23:22 UTC -
web:www.oracle.com
Critical Security Patch Updates Critical Security Patch Updates provide security patches for supported Oracle on-premises products. A Critical Security Patch Update provides targeted, high-priority security fixes in a smaller, more focused format, making them easier to apply with minimal disruption.
2026-07-31 23:22 UTC -
web:www.oracle.com
Oracle Critical Patch Update Advisory - April 2026 Description A Critical Patch Update is a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and in third party components included in Oracle products. These patches are usually cumulative, but each advisory describes only the security patches added since the previous Critical Patch ...
2026-07-31 23:22 UTC -
web:www.patch.moe
Age Verification Are you 18 years or older? YES NO
2026-07-31 23:22 UTC -
web:www.patchplants.com
Patch helps you discover the best plants for your space, delivers them to your door and helps you look after them. Plants will turn your lounge into a living room.
2026-07-31 23:22 UTC
AI Forensic Analysis
Only Available for Registered Users. Sign in to view.
Raw JSON
The full cvelistV5 record. Download as CVE-2026-59835.json.
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-59835",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-07-14T15:55:18.212803Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-07-14T15:55:23.469Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"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:*:*:*:*:*:*:*"
],
"defaultStatus": "unaffected",
"product": "FortiSandbox",
"vendor": "Fortinet",
"versions": [
{
"lessThanOrEqual": "5.0.2",
"status": "affected",
"version": "5.0.0",
"versionType": "semver"
},
{
"lessThanOrEqual": "4.4.8",
"status": "affected",
"version": "4.4.3",
"versionType": "semver"
}
]
}
],
"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."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 7.7,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "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",
"version": "3.1"
},
"format": "CVSS"
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-668",
"description": "Information disclosure",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-07-16T07:35:10.603Z",
"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"shortName": "fortinet"
},
"references": [
{
"name": "https://fortiguard.fortinet.com/psirt/FG-IR-26-145",
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-145"
}
],
"solutions": [
{
"lang": "en",
"value": "Upgrade to FortiSandbox version 5.0.3 or above\nUpgrade to FortiSandbox version 4.4.9 or above"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
"assignerShortName": "fortinet",
"cveId": "CVE-2026-59835",
"datePublished": "2026-07-14T15:12:20.855Z",
"dateReserved": "2026-07-07T15:21:25.057Z",
"dateUpdated": "2026-07-16T07:35:10.603Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}