CVE-2026-46701: high-severity vulnerability in Jovancoding Network-AI
Network-AI: Unauthenticated Cross-Origin MCP Tool Invocation via Empty Default Secret
Published
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21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.6epss 0.2%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
Affected products
Jovancoding · Network-AIRelated CVEs — Jovancoding Network-AI
In the same product, most dangerous first.
CVE-2026-73614HIGHNetwork-AI ClaudeHookBridge Deny Pattern Bypass via TruncationEPSS 0.7%CVE-2026-73615HIGHNetwork-AI SandboxPolicy before 5.15.1 Blocklist Bypass via Quote MismatchEPSS 0.7%CVE-2026-42856HIGHNetwork-AI: Missing authentication on MCP HTTP endpoint allows unauthenticated privileged tool callsEPSS 0.5%CVE-2026-120313HIGHNetwork-AI before 5.15.5 Path Traversal via InputSanitizer.sanitizePathEPSS 0.5%CVE-2026-64622CRITICALNetwork-AI 5.12.2 through 5.13.3 Missing Authorization via ApprovalInboxEPSS 0.5%CVE-2026-54051CRITICALNetwork-AI has an an OS Command Injection issueEPSS 0.5%