Description
Flowise before 3.1.4 contains a validation bypass vulnerability in MCP server configuration allowing authenticated attackers remote code execution through an unvalidated cwd parameter. Attackers can bypass path validation using clean filenames in the args array while controlling the working directory to execute malicious code.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| FlowiseAI | Flowise | < 3.1.4 | 3.1.4 |
Advisories 1
- WID-SEC-2026-3102 Flowise: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 15, 2026
References
- GitHub Security Advisory (GHSA-x7x8-95gh-42xm) vendor-advisory
- VulnCheck Advisory: Flowise before 3.1.4 Remote Code Execution via cwd Parameter third-party-advisory