Security Advisory

CVE-2026-73484

8.1
HIGH

Vulnerability Description

Flowise before 3.1.3 contains a sandbox escape vulnerability in pythonCodeValidator.ts that fails to block native Pandas DataFrame methods like to_csv, to_json, pipe, and query. Authenticated attackers can exploit this to exfiltrate uploaded CSV data or write arbitrary files to the server filesystem.
Published Date August 13, 2026
Official Source NIST NVD Advisory