High 7.6Published Jul 20, 2026

CVE-2026-46701Network-AI: Unauthenticated Cross-Origin MCP Tool Invocation via Empty Default Secret

Updated under an hour ago (Oct 26, 2026, 11:00 AM ET)

Does this affect you?

It affects Jovancoding Network-AI and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Jovancoding Network-AI

Exploited in the last 30 days

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: 7.6 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
Weakness (CWE): CWE-346
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Jul 20, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Jovancoding Network-AI jovancoding:network_ai (from the name)	before 5.4.5	CNA record
network-ai network-ai network-ai:network-ai	before 5.4.5	NVD

References

https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-j3vx-cx2r-pvg8x-refsource-confirm, exploit, mitigation, vendor-advisory
https://github.com/Jovancoding/Network-AI/commit/dc5048112283f3f4eb6c06dd2bf5aa93ef9339bex-refsource-misc, patch
https://github.com/Jovancoding/Network-AI/releases/tag/v5.4.5x-refsource-misc, patch, release-notes

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.