Command Injection Affecting flowise-components package, versions <3.1.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JS-FLOWISECOMPONENTS-16115491
- published21 Apr 2026
- disclosed16 Apr 2026
- creditMosesOX
Introduced: 16 Apr 2026
NewCVE-2026-40933 (opens in a new tab)How to fix?
Upgrade flowise-components to version 3.1.0 or higher.
Overview
flowise-components is a Flowiseai Components
Affected versions of this package are vulnerable to Command Injection via the Custom MCP configuration in http://localhost:3000/canvas. An attacker can execute arbitrary commands on the underlying operating system by supplying crafted arguments to the command and args fields when adding a new MCP stdio server. This is possible even with existing input sanitization checks, as certain command combinations can bypass these protections.