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CVE-2026-69255 is an improper control of code generation vulnerability in Flowise versions prior to 3.1.3. The CSVAgent component incorporated attacker-controlled CSV-derived data directly into a Python string that was executed by Pyodide. Its validation logic applied only to subsequently generated LLM code and did not inspect this initial Python block. A crafted value can terminate the intended Python string context and inject arbitrary Python. The injected code can use Pyodide's JavaScript bridge to access Node.js capabilities, including process-execution functionality.
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Arbitrary code execution vulnerability in the Flowise CSVAgent component via Python code injection, with published evidence showing elevated shell access inside the Flowise container.
A code injection vulnerability in Flowise CSVAgent that allows an attacker to inject Python code via attacker-controlled CSV data and achieve arbitrary OS command execution as root in the Flowise container.
Critical code-injection vulnerability in Flowise CSVAgent that permits arbitrary OS command execution as root in the Flowise container via malicious CSV input. Fixed in Flowise version 3.1.3.
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Cross-references every affected SKU, including bundled OEM variants.
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