CVE-2026-91932: Flowiseai Flowise

High severity, CVSS 8.5. EPSS: 0.7% chance of exploitation in the next 30 days.

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

• Flowiseai Flowise: before 3.1.4 (fixed in 3.1.4)

Published 2026-09-15. Last modified 2026-09-16.