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Langflow's Critical Flaws Show Why Agent Tool Calls Need a Scrub Layer, Not Just a Patch

This story is from 2026-11-05. It is preserved in the archive; the latest stories are on the live feed.

IBM disclosed critical vulnerabilities in Langflow, the open-source AI agent and workflow builder. Two of the flaws score CVSS 9.8. Both let an unauthenticated attacker either bypass authentication or run arbitrary code, and one path runs through Model Context Protocol (MCP) tool enumeration. A thi…

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  1. 2026-11-05 16:17 · DEV Community — AI
    Langflow's Critical Flaws Show Why Agent Tool Calls Need a Scrub Layer, Not Just a Patch

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