Arbitrary Code Injection Affecting flowise-components package, versions >=2.2.7-patch.1 <3.0.6


Severity

Recommended
0.0
critical
0
10

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Exploit Maturity
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  • Snyk IDSNYK-JS-FLOWISECOMPONENTS-12818376
  • published17 Sept 2025
  • disclosed15 Sept 2025
  • creditim-soohyun

Introduced: 15 Sep 2025

NewCVE-2025-59528  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade flowise-components to version 3.0.6 or higher.

Overview

flowise-components is a Flowiseai Components

Affected versions of this package are vulnerable to Arbitrary Code Injection via the convertToValidJSONString function. An attacker can execute arbitrary JavaScript code with full server privileges by supplying malicious input to the mcpServerConfig parameter through the /api/v1/node-load-method/customMCP API endpoint. This enables actions such as command execution, file system access, and data exfiltration.

CVSS Base Scores

version 4.0
version 3.1