PT-2026-92051

CVE-2026-91931

Published

2026-09-15

Updated

2026-09-16

Description by

CVSS 4.0

9.0

Critical

MetricsAV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Name of the Vulnerable Software and Affected Versions Flowise versions prior to 3.1.4

Description An issue in the Custom MCP node allows authenticated attackers to achieve remote code execution. By supplying malicious npx package names through the mcpServerConfig parameter, an attacker can force the server to invoke npx with attacker-controlled npm packages, leading to arbitrary code execution on the server.

Recommendations Update to version 3.1.4.

Exploitability

Exploit

Fix

Impacts

Researchers

Davidcarliez

Vendors

Affected products

Weakness enumeration

CWE-78: Improper Neutralization of Special Elements used in an OS Command (\'OS Command Injection\')

Related identifiers