{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-62195", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-07-13T16:38:58.353Z", "datePublished": "2026-07-13T21:30:16.836Z", "dateUpdated": "2026-07-13T21:30:16.836Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-07-13T21:30:16.836Z"}, "datePublic": "2026-06-30T00:00:00.000Z", "title": "OpenClaw 2026.5.20 < 2026.6.6 Authorization Bypass via MCP loopback", "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-732", "description": "Incorrect Permission Assignment for Critical Resource", "type": "CWE"}]}], "affected": [{"vendor": "OpenClaw", "product": "OpenClaw", "defaultStatus": "unaffected", "packageURL": "pkg:npm/openclaw", "versions": [{"version": "2026.5.20", "status": "affected", "versionType": "semver", "lessThan": "2026.6.6"}, {"version": "2026.6.6", "status": "unaffected", "versionType": "semver"}], "repo": "https://github.com/openclaw/openclaw"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*", "versionStartIncluding": "2026.5.20", "versionEndExcluding": "2026.6.6"}]}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 8.7, "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"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "LOW", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L"}}], "references": [{"url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-52xj-c9p8-78cv", "name": "GitHub Security Advisory (GHSA-52xj-c9p8-78cv)", "tags": ["vendor-advisory"]}, {"name": "VulnCheck Advisory: OpenClaw 2026.5.20 < 2026.6.6 Authorization Bypass via MCP loopback", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/openclaw-authorization-bypass-via-mcp-loopback"}], "credits": [{"lang": "en", "value": "Edward-x (@YLChen-007)", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}, "tags": ["x_open-source"]}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2026.5.20,2026.6.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "2026.6.6"}}], "enrichment": {"confidence": 100.0, "confidence_source": "inferred", "scores": [{"score": 100.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "OpenClaw", "source": "cna", "vendor": "OpenClaw"}, "product": "openclaw", "vendor": "openclaw"}], "created": "2026-07-13T22:45:03.627549+00:00", "updated": "2026-07-13T22:45:03.627585+00:00", "vendors": ["openclaw", "openclaw$PRODUCT$openclaw"]}