CVE-2026-35647

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-35647", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-04-04T12:31:23.533Z", "datePublished": "2026-04-10T16:03:11.903Z", "dateUpdated": "2026-06-23T16:16:06.024Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-06-23T16:16:06.024Z"}, "title": "OpenClaw < 2026.3.25 - Direct Message Policy Bypass via Verification Notices", "descriptions": [{"lang": "en", "value": "OpenClaw before 2026.3.25 contains an access control vulnerability where verification notices bypass DM policy checks and reply to unpaired peers. Attackers can send verification notices to users outside allowed direct message policies by exploiting insufficient access validation before message transmission."}], "tags": ["x_open-source"], "datePublic": "2026-03-26T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-288", "description": "CWE-288: Authentication Bypass Using an Alternate Path or Channel", "type": "CWE"}]}], "affected": [{"vendor": "OpenClaw", "product": "OpenClaw", "defaultStatus": "unaffected", "packageURL": "pkg:npm/openclaw", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "2026.3.25"}, {"version": "2026.3.25", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*", "versionEndExcluding": "2026.3.25"}]}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "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": 6.9, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE", "version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 5.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"}}], "references": [{"url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-9wqx-g2cw-vc7r", "name": "GitHub Security Advisory (GHSA-9wqx-g2cw-vc7r)", "tags": ["vendor-advisory"]}, {"url": "https://github.com/openclaw/openclaw/commit/2383daf5c4a4e08d9553e0e949552ad755ef9ec2", "name": "Patch Commit", "tags": ["patch"]}, {"name": "VulnCheck Advisory: OpenClaw < 2026.3.25 - Direct Message Policy Bypass via Verification Notices", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/openclaw-direct-message-policy-bypass-via-verification-notices"}], "credits": [{"lang": "en", "value": "Peng Zhou (@zpbrent)", "type": "reporter"}], "x_generator": {"engine": "vulncheck"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-10T17:21:05.805152Z", "id": "CVE-2026-35647", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-10T17:21:38.896Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-35647", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-10T17:21:05.805152Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-10T17:21:34.417Z"}}], "cna": {"tags": ["x_open-source"], "title": "OpenClaw < 2026.3.25 - Direct Message Policy Bypass via Verification Notices", "credits": [{"lang": "en", "type": "reporter", "value": "Peng Zhou (@zpbrent)"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 6.9, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "OpenClaw", "product": "OpenClaw", "versions": [{"status": "affected", "version": "0", "lessThan": "2026.3.25", "versionType": "semver"}, {"status": "unaffected", "version": "2026.3.25", "versionType": "semver"}], "packageURL": "pkg:npm/openclaw", "defaultStatus": "unaffected"}], "datePublic": "2026-03-26T00:00:00.000Z", "references": [{"url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-9wqx-g2cw-vc7r", "name": "GitHub Security Advisory (GHSA-9wqx-g2cw-vc7r)", "tags": ["third-party-advisory"]}, {"url": "https://github.com/openclaw/openclaw/commit/2383daf5c4a4e08d9553e0e949552ad755ef9ec2", "name": "Patch Commit", "tags": ["patch"]}, {"url": "https://www.vulncheck.com/advisories/openclaw-direct-message-policy-bypass-via-verification-notices", "name": "VulnCheck Advisory: OpenClaw < 2026.3.25 - Direct Message Policy Bypass via Verification Notices", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "vulncheck"}, "descriptions": [{"lang": "en", "value": "OpenClaw before 2026.3.25 contains an access control vulnerability where verification notices bypass DM policy checks and reply to unpaired peers. Attackers can send verification notices to users outside allowed direct message policies by exploiting insufficient access validation before message transmission."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-288", "description": "CWE-288: Authentication Bypass Using an Alternate Path or Channel"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*", "vulnerable": true, "versionEndExcluding": "2026.3.25"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-04-10T16:03:11.903Z"}}}, "cveMetadata": {"cveId": "CVE-2026-35647", "state": "PUBLISHED", "dateUpdated": "2026-04-10T17:21:38.896Z", "dateReserved": "2026-04-04T12:31:23.533Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-04-10T16:03:11.903Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:npm/openclaw", "product": "OpenClaw", "vendor": "OpenClaw", "versions": [{"lessThan": "2026.3.25", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "2026.3.25", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "AC9C9003-CE72-4BFC-85B4-1E778E125CB1", "versionEndExcluding": "2026.3.25", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenClaw before 2026.3.25 contains an access control vulnerability where verification notices bypass DM policy checks and reply to unpaired peers. Attackers can send verification notices to users outside allowed direct message policies by exploiting insufficient access validation before message transmission."}], "id": "CVE-2026-35647", "lastModified": "2026-06-17T10:40:57.393", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.9, "baseSeverity": "MEDIUM", "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/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": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-35647", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-10T17:21:05.805152Z", "version": "2.0.3"}}]}, "published": "2026-04-10T17:17:05.077", "references": [{"source": "disclosure@vulncheck.com", "tags": ["Patch"], "url": "https://github.com/openclaw/openclaw/commit/2383daf5c4a4e08d9553e0e949552ad755ef9ec2"}, {"source": "disclosure@vulncheck.com", "tags": ["Vendor Advisory"], "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-9wqx-g2cw-vc7r"}, {"source": "disclosure@vulncheck.com", "tags": ["Third Party Advisory"], "url": "https://www.vulncheck.com/advisories/openclaw-direct-message-policy-bypass-via-verification-notices"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-288"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2026.3.25)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "2026.3.25"}}], "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": "2026-04-10T17:25:38.469927+00:00", "value": {"mitigation_remediation": ["Update OpenClaw to version 2026.3.25 or later.", "If an upgrade is not immediately possible, block or filter verification notices that target users outside allowed DM pairs.", "Monitor logs for anomalous verification notice activity.", "Verify that the application\u2019s policy enforcement is correctly configured and that no other paths allow bypassing DM checks."], "summary": {"action": "Apply Patch", "impact": "Policy Bypass via Direct Message"}, "threat_synthesis": {"affected_systems": "OpenClaw versions earlier than 2026.3.25 are affected. The vulnerability exists in the core OpenClaw application running on node.js. Users deploying any pre\u20112026.3.25 release of OpenClaw should consider the impact.", "description_and_impact": "An access control flaw allows an attacker to submit verification notices that bypass the application\u2019s direct message (DM) policy checks, enabling the sending of messages to recipients who are not part of an approved direct\u2011message pairing. This flaw undermines the intended communication boundaries and can expose sensitive information to unintended parties.", "risk_and_exploitability": "The CVSS score of 6.9 indicates medium\u2011to\u2011high severity. No EPSS data is available, and the vulnerability is not listed in CISA\u2019s KEV catalog. Attackers would exploit the flaw by sending crafted verification notices over the network to users whose relationships do not satisfy the enforced DM policy. Successful exploitation requires network access to the OpenClaw instance and the ability to construct a verification notice that is accepted by the service before policy validation.\n"}}}}, "created": "2026-04-13T12:44:28.009242+00:00", "updated": "2026-04-13T13:00:57.471823+00:00", "vendors": ["openclaw", "openclaw$PRODUCT$openclaw"]}