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    <lastBuildDate>Tue, 06 Oct 2026 16:59:58 +0000</lastBuildDate>
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      <title>CVE-2026-46701 — Network-AI: Unauthenticated Cross-Origin MCP Tool Invocation via Empty Default Secret</title>
      <link>https://cve.radiocsirt.org/vuln/cve-2026-46701</link>
      <description>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Jovancoding Network-AI&lt;/p&gt;
&lt;p&gt;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[&amp;#39;NETWORK_AI_MCP_SECRET&amp;#39;] ?? &amp;#39;&amp;#39;` 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.&lt;/p&gt;</description>
      <content:encoded>&lt;p&gt;&lt;strong&gt;Affected:&lt;/strong&gt; Jovancoding Network-AI&lt;/p&gt;
&lt;p&gt;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[&amp;#39;NETWORK_AI_MCP_SECRET&amp;#39;] ?? &amp;#39;&amp;#39;` 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.&lt;/p&gt;</content:encoded>
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