CVE-2026-19244

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They reacted with a high level of professionalism and kindness: \"Both reports describe the same root cause: MCP resource and prompt wrappers could be registered outside the intended enabledTools scope. The registration boundary was corrected\"."}, {"lang": "es", "value": "Se detect\u00f3 una vulnerabilidad en HKUDS nanobot hasta la versi\u00f3n 0.2.1. El elemento afectado es la funci\u00f3n connect_mcp_servers del archivo nanobot/agent/tools/mcp.py del componente MCP enabledTools Scope Handler. Realizar una manipulaci\u00f3n resulta en controles de acceso inadecuados. El ataque puede llevarse a cabo de forma remota. El exploit ahora es p\u00fablico y puede ser utilizado. Actualizar a la versi\u00f3n 0.3.0 es suficiente para solucionar este problema. El parche se llama 4436. Deber\u00eda actualizar el componente afectado. Se reportaron m\u00faltiples problemas al proyecto. Reaccionaron con un alto nivel de profesionalismo y amabilidad: \u2019Ambos informes describen la misma causa ra\u00edz: los envoltorios de recursos y de prompt de MCP podr\u00edan registrarse fuera del alcance previsto de enabledTools. Se corrigi\u00f3 el l\u00edmite de registro\u2019."}], "id": "CVE-2026-19244", "lastModified": "2026-10-23T20:10:00.160", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "MULTIPLE", "availabilityImpact": "PARTIAL", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:M/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 6.4, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.0, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "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": "HIGH", "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:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-19244", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-07T20:49:44.451433Z", "version": "2.0.3"}}]}, "published": "2026-08-07T21:17:27.470", "references": [{"source": "cna@vuldb.com", "url": "https://gist.github.com/YLChen-007/3de5f50d167a878f7530f57ed018d508"}, {"source": "cna@vuldb.com", "url": "https://github.com/HKUDS/nanobot/"}, {"source": "cna@vuldb.com", "url": "https://github.com/HKUDS/nanobot/issues/4435"}, {"source": "cna@vuldb.com", "url": "https://github.com/HKUDS/nanobot/pull/4436"}, {"source": "cna@vuldb.com", "url": "https://github.com/HKUDS/nanobot/releases/tag/v0.3.0"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-19244"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/865116"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/865118"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/386998"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/386998/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-266"}, {"lang": "en", "value": "CWE-284"}], "source": "cna@vuldb.com", "type": "Primary"}]}

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