Security Advisory

CVE-2026-33873

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-27 20:04:23

Last updated 2026-04-02 13:03:34

Assigner GitHub_M

State PUBLISHED

Description

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to version 1.9.0, the Agentic Assistant feature in Langflow executes LLM-generated Python code during its validation phase. Although this phase appears intended to validate generated component code, the implementation reaches dynamic execution sinks and instantiates the generated class server-side. In deployments where an attacker can access the Agentic Assistant feature and influence the model output, this can result in arbitrary server-side Python execution. Version 1.9.0 fixes the issue.

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