CVE-2025-55346

CRITICAL EXPLOITED

flowise - Remote Code Execution via Dynamic Function Constructor

Title source: llm

Exploitation Summary

CVE-2025-55346 has been observed exploited in the wild (reported by VulnCheck KEV).

Description

User-controlled input flows to an unsafe implementation of a dynamic Function constructor, allowing network attackers to run arbitrary unsandboxed JS code in the context of the host, by sending a simple POST request.

References (1)

Core 1

Core References

Various Sources third-party-advisory

https://research.jfrog.com/vulnerabilities/flowise-js-injection-remote-code-exection-jfsa-2025-001379925/

Scores

CVSS v3 9.8

EPSS 0.0005

EPSS Percentile 14.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact total

Details

VulnCheck KEV 2025-11-19

CWE

CWE-94

Status published

Products (1)

npm/flowise 0npm

Published Aug 14, 2025

Tracked Since Feb 18, 2026