CVE-2026-62195
Full vulnerability record from the local CVENow database.
Description
OpenClaw versions 2026.5.20 before 2026.6.6 contain an authorization bypass vulnerability in the MCP loopback feature that allows lower-trust callers to execute owner-only tools. Attackers can bypass authorization checks through configured input paths to execute or persist actions beyond their intended permissions.
Severity
HIGH
CVSS score
8.7
(v4.0)
Vulnerability status
Analyzed
Source identifier
Published
2026-07-13 22:16:51.100000
Last modified
2026-10-24 13:10:00.147000
View original CVE JSON
{
"id": "CVE-2026-62195",
"sourceIdentifier": "[email protected]",
"published": "2026-07-13T22:16:51.100",
"lastModified": "2026-10-24T13:10:00.147",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "OpenClaw versions 2026.5.20 before 2026.6.6 contain an authorization bypass vulnerability in the MCP loopback feature that allows lower-trust callers to execute owner-only tools. Attackers can bypass authorization checks through configured input paths to execute or persist actions beyond their intended permissions."
},
{
"lang": "es",
"value": "Las versiones de OpenClaw 2026.5.20 anteriores a 2026.6.6 contienen una vulnerabilidad de omisión de autorización en la función de bucle invertido de MCP que permite a los llamadores de menor confianza ejecutar herramientas solo para el propietario. Los atacantes pueden omitir las comprobaciones de autorización a través de rutas de entrada configuradas para ejecutar o persistir acciones más allá de sus permisos previstos."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "OpenClaw",
"product": "OpenClaw",
"defaultStatus": "unaffected",
"repo": "https://github.com/openclaw/openclaw",
"packageURL": "pkg:npm/openclaw",
"versions": [
{
"version": "2026.5.20",
"lessThan": "2026.6.6",
"versionType": "semver",
"status": "affected"
},
{
"version": "2026.6.6",
"versionType": "semver",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"baseScore": 8.7,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "HIGH",
"vulnAvailabilityImpact": "LOW",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L",
"baseScore": 8.3,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.8,
"impactScore": 5.5
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-14T00:00:00+00:00",
"id": "CVE-2026-62195",
"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-732"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*",
"versionStartIncluding": "2026.5.20",
"versionEndExcluding": "2026.6.6",
"matchCriteriaId": "A045568D-4607-49A1-8DD4-DE1755173D71"
}
]
}
]
}
],
"references": [
{
"url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-52xj-c9p8-78cv",
"source": "[email protected]",
"tags": [
"Mitigation",
"Vendor Advisory"
]
},
{
"url": "https://www.vulncheck.com/advisories/openclaw-authorization-bypass-via-mcp-loopback",
"source": "[email protected]",
"tags": [
"Third Party Advisory"
]
}
]
}