Missing Authentication for Critical Function Affecting network-ai package, versions <5.1.3
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published19 May 2026
- disclosed5 May 2026
- credit232-323, 2REBCat
Introduced: 5 May 2026
NewCVE-2026-42856 (opens in a new tab)How to fix?
Upgrade network-ai to version 5.1.3 or higher.
Overview
network-ai is an AI agent orchestration framework for TypeScript/Node.js - 29 adapters (LangChain, AutoGen, CrewAI, OpenAI Assistants, LlamaIndex, Semantic Kernel, Haystack, DSPy, Agno, MCP, OpenClaw, A2A, Codex, MiniMax, NemoClaw, APS, Copilot, LangGraph, Anthropic Compu
Affected versions of this package are vulnerable to Missing Authentication for Critical Function via the handleRPC function. An attacker can enumerate and invoke privileged management tools, read and mutate live configuration, list and dispatch agents, create or revoke security tokens, and adjust global budget ceilings by sending unauthenticated JSON-RPC requests to the MCP HTTP endpoint.