CVE-2026-59836
Full vulnerability record from the local CVENow database.
Description
A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>
Severity
CRITICAL
CVSS score
9.8
(v3.1)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-14 16:17:02.727000
Last modified
2026-10-24 21:10:00.130000
View original CVE JSON
{
"id": "CVE-2026-59836",
"sourceIdentifier": "[email protected]",
"published": "2026-07-14T16:17:02.727",
"lastModified": "2026-10-24T21:10:00.130",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0 through 7.4.1, FortiClientEMS 7.2 all versions may allow attacker to information disclosure via <insert attack vector here>"
},
{
"lang": "es",
"value": "Una vulnerabilidad de validación de certificado incorrecta en Fortinet FortiClientEMS 7.4.3 hasta 7.4.5, FortiClientEMS 7.4.0 hasta 7.4.1, FortiClientEMS 7.2 todas las versiones puede permitir al atacante la revelación de información a través de <insertar vector de ataque aquí>"
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "Fortinet",
"product": "FortiClientEMS",
"defaultStatus": "unaffected",
"cpes": [
"cpe:2.3:a:fortinet:forticlientems:7.4.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.4.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.4.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.4.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.4.0:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.2.14:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.2.13:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.2.12:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.2.10:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.2.9:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.2.8:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.2.7:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.2.6:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.2.5:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.2.4:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.2.3:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.2.2:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.2.1:*:*:*:*:*:*:*",
"cpe:2.3:a:fortinet:forticlientems:7.2.0:*:*:*:*:*:*:*"
],
"versions": [
{
"version": "7.4.3",
"lessThanOrEqual": "7.4.5",
"versionType": "semver",
"status": "affected"
},
{
"version": "7.4.0",
"lessThanOrEqual": "7.4.1",
"versionType": "semver",
"status": "affected"
},
{
"version": "7.2.12",
"lessThanOrEqual": "7.2.14",
"versionType": "semver",
"status": "affected"
},
{
"version": "7.2.0",
"lessThanOrEqual": "7.2.10",
"versionType": "semver",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.6,
"impactScore": 5.9
},
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-14T00:00:00+00:00",
"id": "CVE-2026-59836",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-295"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:fortinet:forticlientems:*:*:*:*:*:*:*:*",
"versionStartIncluding": "7.2.0",
"versionEndIncluding": "7.4.1",
"matchCriteriaId": "C14D03A0-DDAB-4B40-92E1-65E2EB388F0B"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:a:fortinet:forticlientems:*:*:*:*:*:*:*:*",
"versionStartIncluding": "7.4.3",
"versionEndExcluding": "7.4.6",
"matchCriteriaId": "540023A6-0E3D-4E05-8F3B-577A9AAAC973"
}
]
}
]
}
],
"references": [
{
"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-147",
"source": "[email protected]",
"tags": [
"Vendor Advisory"
]
}
]
}