{"api_version":"1","generated_at":"2026-07-21T07:24:10+00:00","cve":"CVE-2026-46701","urls":{"html":"https://cve.report/CVE-2026-46701","api":"https://cve.report/api/cve/CVE-2026-46701.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-46701","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-46701"},"summary":{"title":"Network-AI: Unauthenticated Cross-Origin MCP Tool Invocation via Empty Default Secret","description":"Network-AI is a TypeScript/Node.js multi-agent orchestrator. Prior to version 5.4.5, the MCP SSE server defaults to an empty secret (`process.env['NETWORK_AI_MCP_SECRET'] ?? ''` at `bin/mcp-server.ts:89`), which causes `_isAuthorized` (`lib/mcp-transport-sse.ts:254`) to return `true` unconditionally for every request — no `Authorization` header is required. Simultaneously, `_handleRequest` sets `Access-Control-Allow-Origin: *` (`lib/mcp-transport-sse.ts:272`) on every response, so a cross-origin browser fetch can read the result without restriction. An unauthenticated attacker who can lure a user to a malicious web page can invoke all 22 exposed MCP tools — including `config_set`, `agent_spawn`, and `blackboard_write` — against a default-configured localhost server. 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