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Remote Code Execution Vulnerability in n8n 

Indian – Computer Emergency Response Team (https://www.cert-in.org.in)

Severity Rating: HIGH

Software Affected

n8n versions prior to 1.123.17

n8n versions prior to 2.5.2

Overview

A vulnerability has been reported in n8n workflow automation platform which could allow an attacker to execute arbitrary code on the affected system.

 

Target Audience:

All end-user organizations responsible for deploying, securing, and maintaining n8n

Risk Assessment:

Very high risk of remote code execution and system compromise

Impact Assessment:

Potential for unauthorized access, full system takeover, exposure of credentials and sensitive data.

Description

n8n is an open-source workflow automation platform that enables users to design integrations using low-code components and JavaScript expressions.

This vulnerability exists in the n8n workflow automation platform due to insufficient validation within its JavaScript expression evaluation mechanism. An attacker could exploit this vulnerability by injecting specially crafted expressions into workflow parameters resulting in bypassing of security controls and escaping the restricted execution environment.

Successful exploitation of this vulnerability could allow the attacker to execute arbitrary code leading to full compromise of the affected n8n instance.

Workaround

Restrict workflow creation and editing permissions strictly to trusted and authorized users.

Deploy n8n in a hardened environment with restricted operating system privileges and network access to reduce the impact of potential exploitation.

Solution

Apply appropriate security updates as mentioned in

https://n8n.io/legal/security/

Vendor Information

n8n

https://n8n.io/

References

 

https://github.com/n8n-io/n8n/security/advisories/GHSA-6cqr-8cfr-67f8

CVE Name

CVE-2026-25049

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Thanks and Regards,

CERT-In

Incident Response Help Desk

e-mail: incident@cert-in.org.in

Phone: +91-11-22902657

Toll Free Number: 1800-11-4949

Toll Free Fax : 1800-11-6969

Web: http://www.cert-in.org.in

PGP Fingerprint: A768 083E 4475 5725 B81A A379 2156 C0C0 B620 D0B4

PGP Key information:

https://www.cert-in.org.in/s2cMainServlet?pageid=CONTACTUS

Postal address:

Indian Computer Emergency Response Team (CERT-In)

Ministry of Electronics and Information Technology

Government of India

Electronics Niketan

6, C.G.O. Complex

New Delhi-110 003

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