CVE-2026-57207 — NetBox MCP Server: HTTP transport exposes all NetBox data without authentication
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 …
Published: 2026-10-23 · CVSS: 5.9 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7