Vulnerability library
Security checkAugust 04, 2026

Flowise: RCE via CSVAgent csvFile data URI base64 segment is interpolated into Python source without validation

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Description

Flowise’s CSVAgent interpolates an attacker-controlled segment of the csvFile data URI directly into a Python source-code template that is then executed by Pyodide. Because Pyodide is loaded with the default js bridge to globalThis (which on Node.

Recommendation

Update the flowise-components package to the latest compatible version. Followings are version details:

  • Affected version(s): <= 3.1.2
  • Patched version(s): 3.1.3

References

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Related Issues

See something that needs correcting? Let us knowUpdated August 04, 2026