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High severity8.8NVD Advisory· Published Aug 13, 2026· Updated Oct 23, 2026

CVE-2026-73486

CVE-2026-73486

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Flowiseai/Flowise2 versions
    cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*range: <3.1.3
    • (no CPE)range: <3.1.3

Patches

Vulnerability mechanics

References

2

News mentions

2