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 · Kritisch · EPSS 0,6% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: node
Betroffene Produkte und Versionen
flowise
- Softwareversionen
- < 3.1.3: Betroffen
Keine Korrektur veröffentlicht
flowise npm
- Betroffene Versionsbereiche
- SEMVER: < 3.1.3
Auf 3.1.3 aktualisieren
flowise-components npm
- Betroffene Versionsbereiche
- SEMVER: < 3.1.3
Auf 3.1.3 aktualisieren
Originalquellen
- https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-vmv7-4m6c-3cg5
- https://github.com/FlowiseAI/Flowise/pull/6499
- https://github.com/FlowiseAI/Flowise/commit/f4e2794f6a576b94578f2fdafbf49c2fb304626c
- https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.3
- https://nvd.nist.gov/vuln/detail/CVE-2026-69255