{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-31995", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-03-10T19:48:11.111Z", "datePublished": "2026-03-19T01:00:53.469Z", "dateUpdated": "2026-03-19T01:00:53.469Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-03-19T01:00:53.469Z"}, "title": "OpenClaw 2026.1.21 < 2026.2.19 - Command Injection via Windows Shell Fallback in Lobster Extension", "descriptions": [{"lang": "en", "value": "OpenClaw versions 2026.1.21 prior to 2026.2.19 contain a command injection vulnerability in the Lobster extension's Windows shell fallback mechanism that allows attackers to inject arbitrary commands through tool-provided arguments. When spawn failures trigger shell fallback with shell: true, attackers can exploit cmd.exe command interpretation to execute malicious commands by controlling workflow arguments."}], "tags": ["x_open-source"], "datePublic": "2026-02-21T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-78", "description": "Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') (CWE-78)", "type": "CWE"}]}], "affected": [{"vendor": "OpenClaw", "product": "OpenClaw", "defaultStatus": "unaffected", "packageURL": "pkg:npm/openclaw", "versions": [{"version": "2026.1.21", "status": "affected", "versionType": "semver", "lessThan": "2026.2.19"}, {"version": "2026.2.19", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*", "versionStartIncluding": "2026.1.21", "versionEndExcluding": "2026.2.19"}]}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "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": "MEDIUM", "baseScore": 5.8, "vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "LOW", "version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:L"}}], "references": [{"url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-fg3m-vhrr-8gj6", "name": "GitHub Security Advisory (GHSA-fg3m-vhrr-8gj6)", "tags": ["third-party-advisory"]}, {"url": "https://github.com/openclaw/openclaw/commit/ba7be018da354ea9f803ed356d20464df0437916", "name": "Patch Commit", "tags": ["patch"]}, {"name": "VulnCheck Advisory: OpenClaw 2026.1.21 < 2026.2.19 - Command Injection via Windows Shell Fallback in Lobster Extension", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/openclaw-command-injection-via-windows-shell-fallback-in-lobster-extension"}], "credits": [{"lang": "en", "value": "tdjackey", "type": "reporter"}], "x_generator": {"engine": "vulncheck"}}}}

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