CVE-2026-28446

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Los atacantes remotos pueden omitir los controles de acceso de entrada realizando llamadas con identificadores de llamadas faltantes o n\u00fameros que terminan con d\u00edgitos en la lista de permitidos para alcanzar al agente de llamada de voz y ejecutar herramientas."}], "id": "CVE-2026-28446", "lastModified": "2026-06-17T10:28:39.233", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.4, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.5, "source": "disclosure@vulncheck.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 9.2, "baseSeverity": "CRITICAL", "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:P/PR:N/UI:N/VC:H/VI:H/VA:L/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": "LOW", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-28446", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-03-11T13:40:19.189368Z", "version": "2.0.3"}}]}, "published": "2026-03-05T22:16:16.390", "references": [{"source": "disclosure@vulncheck.com", "tags": ["Patch"], "url": "https://github.com/openclaw/openclaw/commit/f8dfd034f5d9235c5485f492a9e4ccc114e97fdb"}, {"source": "disclosure@vulncheck.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-4rj2-gpmh-qq5x"}, {"source": "disclosure@vulncheck.com", "tags": ["Third Party Advisory"], "url": "https://www.vulncheck.com/advisories/openclaw-inbound-allowlist-policy-bypass-in-voice-call-extension-via-empty-caller-id"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-303"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2026.2.1)"}}], "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"}], "analysis": {"en": {"generated_at": "2026-04-16T04:38:13.536646+00:00", "value": {"mitigation_remediation": ["Upgrade to OpenClaw version 2026.2.1 or later to apply the vendor fix that enforces strict equality and rejects empty caller IDs", "If upgrading is not immediately possible, disable the voice\u2011call extension until a patch can be applied", "Configure inbound allowlist checks to require non\u2011empty caller IDs and enforce exact match, and monitor call logs for anomalous patterns or repeated empty caller ID attempts (this is a temporary workaround pending an official patch)"], "summary": {"action": "Immediate Patch", "impact": "Authentication Bypass"}, "threat_synthesis": {"affected_systems": "Vendors: OpenClaw; Product: OpenClaw. Vulnerable editions include any release of OpenClaw prior to 2026.2.1 that has the voice\u2011call extension installed and enabled. Users of newer releases or deployments without the extension are not affected.", "description_and_impact": "OpenClaw versions prior to 2026.2.1 contain an inbound allowlist policy validation flaw that accepts empty caller IDs and uses suffix\u2011based matching instead of strict equality. This allows remote callers to bypass authentication checks and reach the voice\u2011call agent, potentially executing arbitrary tools and commands. The flaw represents an authentication bypass (CWE-303) that can lead to unauthorized control over the voice\u2011call functionality.", "risk_and_exploitability": "The CVSS v3 rating is 9.2, indicating critical severity. EPSS is reported as slightly less than 1%, implying low current exploitation likelihood but not zero risk. The vulnerability is not listed in the CISA KEV catalog, so large\u2011scale exploitation has not yet been confirmed. Attackers can exploit the flaw by initiating remote voice calls with intentionally missing caller IDs or numbers ending with allowlisted digits; no additional privileges or local compromise are required."}}}}, "created": "2026-03-06T15:00:39.706810+00:00", "updated": "2026-04-16T04:45:16.137913+00:00", "vendors": ["openclaw", "openclaw$PRODUCT$openclaw"]}