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CVE PROGRAM SOURCE RECORD9.0 Critical

CVE-2026-73486

Flowise before 3.1.3 Code Injection via CSV Agent customReadCSV

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

FlowiseAI Flowise

Default version status: unaffected

  • 0 to < 3.1.3affected
  • 3.1.3unaffected
pkg:npm/flowise

FlowiseAI Flowise

Default version status: unaffected

  • 0 to < 3.1.3affected
  • 3.1.3unaffected
pkg:npm/flowise-components

References