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

Date Aug 4, 2026

Type Vendor advisory

Signal Critical vendor advisory

Vendor / Product npm · flowise

CVE CVE-2026-69264

Critical vendor advisory CVE-2026-69264

Summary

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

Why it matters

GitHub has published a reviewed security advisory for flowise. Prioritize it with other application dependency updates.

Operator check

Check whether flowise is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.4.

Sources

GitHub Advisory GHSA-4j8x-x6v7-w9rq NVD — CVE-2026-69264 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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