CVE-2025-56406

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "cveTags": [{"sourceIdentifier": "cve@mitre.org", "tags": ["disputed"]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in mcp-neo4j 0.3.0 allowing attackers to obtain sensitive information or execute arbitrary commands via the SSE service. NOTE: the Supplier's position is that authentication is not mandatory for MCP servers, and the mcp-neo4j MCP server is only intended for use in a local environment where authentication realistically would not be needed. Also, the Supplier provides middleware to help isolate the MCP server from external access (if needed)."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en mcp-neo4j 0.3.0 que permite a los atacantes obtener informaci\u00f3n sensible o ejecutar comandos arbitrarios a trav\u00e9s del servicio SSE. NOTA: la postura del proveedor es que la autenticaci\u00f3n no es obligatoria para los servidores MCP, y el servidor MCP mcp-neo4j est\u00e1 destinado \u00fanicamente para su uso en un entorno local donde la autenticaci\u00f3n de forma realista no ser\u00eda necesaria. Adem\u00e1s, el proveedor proporciona middleware para ayudar a aislar el servidor MCP del acceso externo (si es necesario)."}], "id": "CVE-2025-56406", "lastModified": "2026-06-17T09:42:34.360", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-56406", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-09-10T13:58:57.461736Z", "version": "2.0.3"}}]}, "published": "2025-09-10T14:15:39.567", "references": [{"source": "cve@mitre.org", "url": "https://github.com/August829/CVEP/issues/1"}, {"source": "cve@mitre.org", "url": "https://github.com/neo4j-contrib/mcp-neo4j/issues/124"}, {"source": "cve@mitre.org", "url": "https://modelcontextprotocol.io/specification/2025-03-26/basic/authorization"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-77"}, {"lang": "en", "value": "CWE-200"}, {"lang": "en", "value": "CWE-284"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"created": "2025-09-12T09:11:28.353276+00:00", "updated": "2025-09-12T09:11:28.353362+00:00", "vendors": ["neo4j", "neo4j$PRODUCT$neo4j", "neo4j-contrib", "neo4j-contrib$PRODUCT$mcp-neo4j"]}