CVE-2026-28476

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Los atacantes que pueden influir en la URL de Urbit configurada pueden inducir a la pasarela a realizar peticiones HTTP a hosts arbitrarios, incluyendo direcciones internas."}], "id": "CVE-2026-28476", "lastModified": "2026-06-17T10:28:43.030", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.7, "source": "disclosure@vulncheck.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "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": 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:L/AT:P/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-2026-28476", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-09T18:10:00.741754Z", "version": "2.0.3"}}]}, "published": "2026-03-05T22:16:21.807", "references": [{"source": "disclosure@vulncheck.com", "tags": ["Patch"], "url": "https://github.com/openclaw/openclaw/commit/bfa7d21e997baa8e3437657d59b1e296815cc1b1"}, {"source": "disclosure@vulncheck.com", "tags": ["Vendor Advisory"], "url": "https://github.com/openclaw/openclaw/security/advisories/GHSA-pg2v-8xwh-qhcc"}, {"source": "disclosure@vulncheck.com", "tags": ["Third Party Advisory"], "url": "https://www.vulncheck.com/advisories/openclaw-server-side-request-forgery-in-tlon-extension-authentication"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": ["node.js"], "status": "affected", "versions": {"scheme": "generic", "value": "[0,2026.2.14)"}}], "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": "2026-04-16T11:56:52.098594+00:00", "value": {"mitigation_remediation": ["Apply the vendor\u2019s patch to upgrade OpenClaw to version 2026.2.14 or newer. ", "Disable or remove the optional Tlon Urbit extension until a secure version is available. ", "If disabling is not possible, limit the set of acceptable outbound targets by validating the base URL or enforcing an allow\u2011list of trusted hosts. ", "Supplement the soft\u2011ware fix with perimeter firewall rules that block unauthorized outbound HTTP connections originating from the OpenClaw service. "], "summary": {"action": "Patch", "impact": "Server\u2011Side Request Forgery allowing access to internal resources"}, "threat_synthesis": {"affected_systems": "Any installation of OpenClaw that has the Tlon Urbit extension enabled and is running a version prior to 2026.2.14 is impacted. The vulnerability applies to all deployments where the base Urbit URL can be influenced by an external user or attacker. No specific third\u2011party integrations are mentioned beyond the Tlon component.", "description_and_impact": "OpenClaw versions before 2026.2.14 contain a server\u2011side request forgery flaw in the optional Tlon Urbit extension. The gateway accepts a user\u2011controlled base URL for authentication without validating that it points to a legitimate destination. An attacker who can influence the configured Urbit URL can cause the server to issue HTTP requests to arbitrary hosts, including internal network addresses, exposing internal data and potentially enabling further exploitation. The weakness is a classic input\u2011validation failure (CWE\u2011918), allowing remote HTTP calls that bypass normal access controls.", "risk_and_exploitability": "The CVSS base score of 6.3 indicates a medium severity risk. The EPSS score of less than 1% shows a very low current probability of exploitation in the wild, and the vulnerability is not listed in the CISA KEV catalog. Nonetheless, the attack vector is inferred to require the attacker to modify the configured Urbit URL or otherwise influence the authentication process, which could be feasible in environments where configuration is exposed or improperly secured. Once exploited, the attacker can retrieve or manipulate data located on internal hosts that the gateway is permitted to contact."}}}}, "created": "2026-03-06T14:59:56.789023+00:00", "updated": "2026-04-16T12:00:11.705889+00:00", "vendors": ["openclaw", "openclaw$PRODUCT$openclaw"]}