p PatchFirst

CVE-2026-69255

CVE-2026-69255 · Flowise: CSV Agent Remote Code Execution via Pyodide Code Injection — Root Shell Verified

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Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.3, the CSVAgent in packages/components/nodes/agents/CSVAgent/CSVAgent.ts extracted attacker-controlled CSV data with file.split(',').pop() and interpolated it directly into executable Python as base64_string = "${base64String}" before calling Pyodide. The validatePythonCodeForDataFrame() denylist only checked later LLM-generated code and did not validate this initial code block. An authenticated attacker could inject a closing quote followed by Python code, use Pyodide's js bridge to load Node.js child_process, and execute arbitrary operating system commands as root in the Flowise container. This issue is fixed in version 3.1.3.

CVSS 9.2 · Critique · EPSS 0,6% · Correctif disponible

Publication
Mise à jour

Pile logicielle: node

Produits et versions concernés

  • flowise

    Versions du logiciel
    • < 3.1.3: Concernée

    Aucun correctif publié

  • flowise npm

    Plages de versions concernées
    • SEMVER: < 3.1.3

    Mettez à jour vers 3.1.3

  • flowise-components npm

    Plages de versions concernées
    • SEMVER: < 3.1.3

    Mettez à jour vers 3.1.3

Sources originales

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