Security Advisory
CVE-2026-73486
8.8
HIGH
Vulnerability Description
Flowise before 3.1.3 contains a code injection vulnerability in the CSV Agent node's customReadCSV parameter that allows authenticated attackers to execute arbitrary Python code. The validator uses a static regex blocklist that can be bypassed through obfuscation techniques, enabling attackers to execute code in the unsandboxed pyodide environment with full system access.
Published Date
August 13, 2026
Official Source
NIST NVD Advisory