7,000 Langflow servers are under attack. LangGraph and LangChain have the same holes

Source: ventureBeat June 19, 2026 · 14:14
Your AI agent did exactly what it was designed to do. The framework underneath it just handed an attacker a shell on the box that holds your OpenAI key, your database credentials, and your CRM tokens.That is not a hypothetical. In a few months, three of the most widely deployed AI agent frameworks each turned a known, ordinary bug class into a way through. Check Point Research chained a SQL injection in LangGraph’s SQLite checkpointer to full remote code execution. Tenable and VulnCheck tracked a path traversal in Langflow’s file upload endpoint to active, in-the-wild RCE. Cyera documented a path traversal in LangChain-core’s prompt loader that reads your secrets off disk. Two paths to a shell, one to your keys. They are the same bug, wearing three frameworks.These frameworks became produc…

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