{"api_version":"1","generated_at":"2026-08-05T22:23:08+00:00","cve":"CVE-2026-69255","urls":{"html":"https://cve.report/CVE-2026-69255","api":"https://cve.report/api/cve/CVE-2026-69255.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-69255","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-69255"},"summary":{"title":"Flowise: CSV Agent Remote Code Execution via Pyodide Code Injection — Root Shell Verified","description":"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. 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