CVE-2026-46442

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, POST /api/v1/node-custom-function lacks route-level authorization, allowing any authenticated user or API key to submit arbitrary JavaScript to the Custom JS Function node. When E2B_APIKEY is not configured — the common deployment case — Flowise executes this code inside a NodeVM sandbox. This sandbox can be escaped, allowing an attacker to reach the host process object and execute system commands via child_process. The result is authenticated remote code execution on the Flowise server host. This issue has been patched in version 3.1.2.
Configurations

Configuration 1 (hide)

cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*

History

23 Jul 2026, 07:10

Type Values Removed Values Added
Summary
  • (es) Flowise es una interfaz de usuario de arrastrar y soltar para construir un flujo de modelo de lenguaje grande personalizado. Antes de la versión 3.1.2, POST /api/v1/node-custom-function carece de autorización a nivel de ruta, permitiendo a cualquier usuario autenticado o clave API enviar JavaScript arbitrario al nodo de Función JS Personalizada. Cuando E2B_APIKEY no está configurada - el caso de despliegue común - Flowise ejecuta este código dentro de un sandbox NodeVM. Este sandbox puede ser evadido, permitiendo a un atacante alcanzar el objeto de proceso del host y ejecutar comandos del sistema a través de child_process. El resultado es ejecución remota de código autenticada en el host del servidor Flowise. Este problema ha sido parcheado en la versión 3.1.2.

11 Jun 2026, 04:07

Type Values Removed Values Added
References () https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2 - () https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2 - Product, Release Notes
References () https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-9rvc-vf7m-pgm2 - () https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-9rvc-vf7m-pgm2 - Exploit, Mitigation, Vendor Advisory
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 9.9
First Time Flowiseai flowise
Flowiseai
CPE cpe:2.3:a:flowiseai:flowise:*:*:*:*:*:*:*:*

09 Jun 2026, 16:16

Type Values Removed Values Added
References () https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-9rvc-vf7m-pgm2 - () https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-9rvc-vf7m-pgm2 -

08 Jun 2026, 16:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-06-08 16:16

Updated : 2026-07-23 07:10


NVD link : CVE-2026-46442

Mitre link : CVE-2026-46442

CVE.ORG link : CVE-2026-46442


JSON object : View

Products Affected

flowiseai

  • flowise
CWE
CWE-94

Improper Control of Generation of Code ('Code Injection')