{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-100540", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-26T01:01:36.095Z", "datePublished": "2026-09-26T02:18:38.549Z", "dateUpdated": "2026-09-26T02:18:38.549Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-26T02:18:38.549Z"}, "datePublic": "2026-09-11T00:00:00.000Z", "title": "OpenClaw Feishu before 2026.8.1 Authentication Bypass via Disabled Account", "descriptions": [{"lang": "en", "value": "OpenClaw Feishu before 2026.8.1 fails to validate whether a configured default account is disabled before selecting it for model tool operations. Attackers can exploit multi-account setups where a disabled default account retains credentials to read or modify Feishu resources through a revoked identity."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Incorrect Authorization", "cweId": "CWE-863", "type": "CWE"}]}], "affected": [{"vendor": "openclaw", "product": "feishu", "defaultStatus": "unaffected", "packageURL": "pkg:npm/openclaw/feishu", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "2026.8.1"}, {"version": "2026.8.1", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openclaw:openclaw\\/feishu:*:*:*:*:*:*:*:*", "versionEndExcluding": "2026.8.1"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.6, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-h2qg-fxpv-82v6", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-h2qg-fxpv-82v6)"}, {"name": "VulnCheck Advisory: OpenClaw Feishu before 2026.8.1 Authentication Bypass via Disabled Account", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/openclaw-feishu-before-2026.8.1-authentication-bypass-via-disabled-account"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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