CVE-2026-28467

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Los atacantes que pueden influir en las URL de medios a trav\u00e9s de mecanismos de sendAttachment o de respuesta autom\u00e1tica controlados por el modelo pueden desencadenar SSRF a recursos internos y exfiltrar los bytes de respuesta obtenidos como adjuntos salientes."}], "id": "CVE-2026-28467", "lastModified": "2026-06-17T10:28:41.867", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.7, "source": "disclosure@vulncheck.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.0, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "HIGH", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 6.3, "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": "LOW", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/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-2026-28467", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-09T17:54:10.336610Z", "version": "2.0.3"}}]}, "published": "2026-03-05T22:16:19.997", "references": [{"source": "disclosure@vulncheck.com", "tags": ["Patch"], "url": "https://github.com/openclaw/openclaw/commit/81c68f582d4a9a20d9cca9f367d2da9edc5a65ae"}, {"source": "disclosure@vulncheck.com", "tags": ["Patch"], "url": "https://github.com/openclaw/openclaw/commit/9bd64c8a1f91dda602afc1d5246a2ff2be164647"}, {"source": "disclosure@vulncheck.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-wfp2-v9c7-fh79"}, {"source": "disclosure@vulncheck.com", "tags": ["Third Party Advisory"], "url": "https://www.vulncheck.com/advisories/openclaw-ssrf-via-attachment-media-url-hydration"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,2026.2.2)"}}], "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": "2026-04-17T12:36:13.700531+00:00", "value": {"mitigation_remediation": ["Upgrade OpenClaw to version 2026.2.2 or later, which contains the fix for the URL hydration vulnerability.", "Restrict media URL usage in sendAttachment and auto\u2011reply features by allowing only whitelisted domains or trusted sources.", "Disable or remove auto\u2011reply or any endpoint that processes externally supplied media URLs if an immediate upgrade is not possible."], "summary": {"action": "Patch", "impact": "Remote Server\u2011Side Request Forgery enabling internal resource disclosure and data exfiltration"}, "threat_synthesis": {"affected_systems": "The product affected is OpenClaw. Versions older than 2026.2.2 are vulnerable because they lack the check introduced in that release. No other vendors or product lines are listed in the advisory.", "description_and_impact": "OpenClaw versions prior to 2026.2.2 contain a server\u2011side request forgery vulnerability in the attachment and media URL hydration process. When a message is sent or auto\u2011replied, an attacker able to control media URLs can cause the server to fetch arbitrary HTTP(S) resources. The fetched response is returned as an outbound attachment, allowing the attacker to access internal services or exfiltrate sensitive data.", "risk_and_exploitability": "The CVSS score of 6.3 classifies the issue as medium severity. The EPSS score is below 1\u202f%, indicating a very low predicted exploitation likelihood, and the vulnerability is not listed in the CISA KEV catalog. Exploitation requires the attacker to influence media URLs via the model\u2011controlled sendAttachment or auto\u2011reply mechanisms, after which the server can reach internal endpoints and return their contents to the attacker."}}}}, "created": "2026-03-06T15:00:04.555057+00:00", "updated": "2026-04-17T12:45:16.123056+00:00", "vendors": ["openclaw", "openclaw$PRODUCT$openclaw"]}