Arbitrary Code Injection Affecting flowise-ui package, versions <3.1.0


Severity

Recommended
0.0
critical
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.28% (52nd percentile)

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  • Snyk IDSNYK-JS-FLOWISEUI-16109642
  • published19 Apr 2026
  • disclosed16 Apr 2026
  • creditRaul Onitza-Klugman

Introduced: 16 Apr 2026

NewCVE-2026-41137  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade flowise-ui to version 3.1.0 or higher.

Overview

flowise-ui is a

Affected versions of this package are vulnerable to Arbitrary Code Injection via the customReadCSVFunc process. An attacker can execute arbitrary code on the server by supplying malicious input that is interpolated and executed without proper sanitization. This is only exploitable if the attacker is authenticated or can bypass authentication by providing the "x-request-from: internal" header when FLOWISE_USERNAME and FLOWISE_PASSWORD are not set.

CVSS Base Scores

version 4.0
version 3.1