{"id":"CVE-2026-57207","state":"PUBLISHED","title":"NetBox MCP Server: HTTP transport exposes all NetBox data without authentication","description":"NetBox MCP Server is a simple read-only Model Context Protocol server for NetBox. Prior to version 1.2.1, when running with TRANSPORT=http, the MCP server has no authentication on the HTTP endpoint. Any client that can reach the port gets a valid MCP session and full access to all four NetBox tools - no token or credential needed. This issue has been patched in version 1.2.1.","publishedAt":"2026-10-23T13:40:31.164Z","updatedAt":"2026-10-30T18:16:11.003Z","severity":{"score":5.9,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["netboxlabs netbox-mcp-server"],"affected":[{"vendor":"netboxlabs","product":"netbox-mcp-server","versions":[{"version":"< 1.2.1","status":"affected"}]}],"references":["https://github.com/netboxlabs/netbox-mcp-server/security/advisories/GHSA-5qg7-j8mr-9477","https://github.com/netboxlabs/netbox-mcp-server/releases/tag/v1.2.1"],"weaknesses":["CWE-306","CWE-1059"],"ingestedAt":"2026-10-30T18:30:06.554Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/57xxx/CVE-2026-57207.json","commit":"221eb56a0685eb8d913f27d15aa83d9f17ee0d22","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-57207","state":"PUBLISHED","datePublished":"2026-10-23T13:40:31.164Z","dateUpdated":"2026-10-30T18:16:11.003Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-24T02:00:46.801Z"},"containers":{"cna":{"title":"NetBox MCP Server: HTTP transport exposes all NetBox data without authentication","descriptions":[{"lang":"en","value":"NetBox MCP Server is a simple read-only Model Context Protocol server for NetBox. Prior to version 1.2.1, when running with TRANSPORT=http, the MCP server has no authentication on the HTTP endpoint. Any client that can reach the port gets a valid MCP session and full access to all four NetBox tools - no token or credential needed. This issue has been patched in version 1.2.1."}],"affected":[{"vendor":"netboxlabs","product":"netbox-mcp-server","versions":[{"version":"< 1.2.1","status":"affected"}]}],"references":[{"url":"https://github.com/netboxlabs/netbox-mcp-server/security/advisories/GHSA-5qg7-j8mr-9477","name":"https://github.com/netboxlabs/netbox-mcp-server/security/advisories/GHSA-5qg7-j8mr-9477","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/netboxlabs/netbox-mcp-server/releases/tag/v1.2.1","name":"https://github.com/netboxlabs/netbox-mcp-server/releases/tag/v1.2.1","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"CWE-306: Missing Authentication for Critical Function","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-1059","lang":"en","description":"CWE-1059: Insufficient Technical Documentation","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-23T13:40:31.164Z"},"source":{"advisory":"GHSA-5qg7-j8mr-9477","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/netboxlabs/netbox-mcp-server/security/advisories/GHSA-5qg7-j8mr-9477","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-30T18:16:04.656498Z","id":"CVE-2026-57207","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-30T18:16:11.003Z"}}]}}}