{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-42428", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-04-27T11:38:59.195Z", "datePublished": "2026-04-28T18:10:17.510Z", "dateUpdated": "2026-04-28T18:10:17.510Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-04-28T18:10:17.510Z"}, "title": "OpenClaw < 2026.4.8 - Missing Integrity Verification in Package Downloads", "descriptions": [{"lang": "en", "value": "OpenClaw versions before 2026.4.8 fail to enforce integrity verification on downloaded plugin archives. Attackers can install malicious or tampered plugin packages without detection, compromising the local assistant environment."}], "tags": ["x_open-source"], "datePublic": "2026-04-08T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-353", "description": "CWE-353 Missing Support for Integrity Check", "type": "CWE"}]}], "affected": [{"vendor": "OpenClaw", "product": "OpenClaw", "defaultStatus": "unaffected", "packageURL": "pkg:npm/openclaw", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "2026.4.8"}, {"version": "2026.4.8", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*", "versionEndExcluding": "2026.4.8"}]}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "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": 7.5, "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.1, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H"}}], "references": [{"url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-3vvq-q2qc-7rmp", "name": "GitHub Security Advisory (GHSA-3vvq-q2qc-7rmp)", "tags": ["vendor-advisory"]}, {"url": "https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5", "name": "Patch Commit", "tags": ["patch"]}, {"name": "VulnCheck Advisory: OpenClaw < 2026.4.8 - Missing Integrity Verification in Package Downloads", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/openclaw-missing-integrity-verification-in-package-downloads"}], "credits": [{"lang": "en", "value": "KEXNA (@kexinoh)", "type": "reporter"}], "x_generator": {"engine": "vulncheck"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "OpenClaw versions before 2026.4.8 fail to enforce integrity verification on downloaded plugin archives. Attackers can install malicious or tampered plugin packages without detection, compromising the local assistant environment."}], "id": "CVE-2026-42428", "lastModified": "2026-04-28T20:10:23.367", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-04-28T19:37:46.630", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/openclaw/openclaw/commit/d7c3210cd6f5fdfdc1beff4c9541673e814354d5"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-3vvq-q2qc-7rmp"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/openclaw-missing-integrity-verification-in-package-downloads"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-353"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2026.4.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "2026.4.8"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "OpenClaw", "source": "cna", "vendor": "OpenClaw"}, "product": "openclaw", "vendor": "openclaw"}], "analysis": {"en": {"generated_at": "2026-04-28T22:53:54.452859+00:00", "value": {"mitigation_remediation": ["Upgrade OpenClaw to version 2026.4.8 or later to enable mandatory integrity verification on plugin downloads.", "If an upgrade is not immediately possible, disable automatic plugin installation or restrict installations to trusted, verified sources.", "When installing plugins manually, verify the cryptographic signature or hash of the archive before proceeding and reject any that fail verification."], "summary": {"action": "Apply Patch", "impact": "Local code execution via tampered plugin installation"}, "threat_synthesis": {"affected_systems": "All installations of OpenClaw with a version earlier than 2026.4.8 are affected. The vulnerability pertains specifically to the OpenClaw product bundled with Node.js runtime.", "description_and_impact": "OpenClaw versions prior to 2026.4.8 do not verify the integrity of downloaded plugin archives, allowing attackers to inject malicious or tampered packages. This flaw enables the execution of arbitrary code within the local assistant environment, compromising confidentiality, integrity, and availability. The weakness is categorized as CWE-353, missing integrity verification.", "risk_and_exploitability": "The vulnerability has a CVSS score of 7.5, indicating a high severity. The EPSS score is not available, and the issue is not listed in the CISA KEV catalog. Attackers could exploit this flaw by delivering a rogue plugin archive to a user or system that auto\u2011installs plugins, or by modifying existing archives. Successful exploitation would allow local code execution and full compromise of the affected environment."}}}}, "created": "2026-04-28T21:15:39.462255+00:00", "updated": "2026-04-28T23:00:13.126257+00:00", "vendors": ["openclaw", "openclaw$PRODUCT$openclaw"]}