{"id":"CVE-2026-46701","summary":"Network-AI: Unauthenticated Cross-Origin MCP Tool Invocation via Empty Default Secret","details":"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. Version 5.4.5 patches the issue.","aliases":["GHSA-j3vx-cx2r-pvg8"],"modified":"2026-07-23T03:56:10.384954819Z","published":"2026-07-20T16:33:43.791Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46701.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-346"]},"references":[{"type":"WEB","url":"https://github.com/Jovancoding/Network-AI/releases/tag/v5.4.5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46701.json"},{"type":"ADVISORY","url":"https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-j3vx-cx2r-pvg8"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46701"},{"type":"FIX","url":"https://github.com/Jovancoding/Network-AI/commit/dc5048112283f3f4eb6c06dd2bf5aa93ef9339be"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/jovancoding/network-ai","events":[{"introduced":"0"},{"fixed":"dc5048112283f3f4eb6c06dd2bf5aa93ef9339be"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"5.4.5"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["v5.4.4","v5.4.3","v5.4.2","v5.4.1","v5.4.0","v5.3.2","v5.3.1","v5.3.0","v5.2.2","v5.2.1","v5.2.0","v5.1.4","v5.1.3","v5.1.2","v5.1.1","v5.1.0","v5.0.0","v4.15.3","v4.15.2","v4.15.1","v4.15.0","v4.14.0","v4.13.1","v4.13.0","v4.12.1","v4.12.0","v4.11.2","v4.11.1","v4.11.0","v4.10.5","v4.10.4","v4.10.3","v4.10.2","v4.10.1","v4.10.0","v4.9.1","v4.9.0","v4.8.1","v4.8.0","v4.7.1","v4.7.0","v4.6.2","v4.6.1","v4.6.0","v4.5.3","v4.5.2","v4.5.1","v4.5.0","v4.4.3","v4.4.2","v4.4.1","v4.4.0","v4.3.7","v4.3.6","v4.3.5","v4.3.4","v4.3.3","v4.3.2","v4.3.1","v4.3.0","v4.2.0","v4.1.0","v4.0.17","v4.0.16","v4.0.15","v4.0.14","v4.0.13","v4.0.12","v4.0.11","v4.0.10","v4.0.9","v4.0.8","v4.0.7","v4.0.6","v4.0.5","v4.0.4","v4.0.3","v4.0.2","v4.0.1","v4.0.0","v3.9.0","v3.8.0","v3.7.1","v3.7.0","v3.6.2","v3.6.0","v3.5.1","v3.5.0","v3.4.1","v3.4.0","v3.3.11","v3.3.10","v3.3.9","v3.3.8","v3.3.7","v3.3.6","v3.3.5","v3.3.4","v3.3.3","v3.3.2","v3.3.1","v3.3.0","v3.2.11","v3.2.10","v3.2.9","v3.2.8","v3.2.7","v3.2.6","v3.2.5","v3.2.4","v3.2.3","v3.2.2","v3.2.1","v3.2.0","v3.1.3","v3.1.2","v3.1.0","v3.0.3","v3.0.2","v3.0.1","v3.0.0","v2.0.0","V1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-46701.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L"}]}