CVE-2023-27564: n8n Information Disclosure vulnerability

n8n Updated 02 Oct 2025

Summary

10/05/2023
Yes i
High
7.5

CVE-2023-27564: n8n Information Disclosure vulnerability. Affects n8n versions < 0.216.1. Fixed in 0.216.1. How to fix ↓

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Background

n8n is an open-source workflow automation tool that allows users to connect various services and automate tasks. It is built on Node.js and provides a user-friendly interface for creating workflows. The vulnerability in n8n prior to version 0.216.1 allows for information disclosure, potentially exposing sensitive data to unauthorized users.

Vulnerability Detail

The vulnerability in n8n allows attackers to gain access to sensitive information. This could include user credentials, API keys, or any other data processed by the application. The issue originates from a flaw in the code that handles data access controls, allowing unauthorized users to bypass restrictions and view sensitive information. The impact of this vulnerability can be significant, as it compromises the confidentiality of sensitive data and may lead to further security breaches.

How To Fix

Latest published version: 2.44.6 as of 22 Oct 2026

npm install n8n@2.44.6

Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.

If you need the minimum change

0.216.1

This is the first release that contains the fix.

npm install n8n@0.216.1

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Workaround

There is no known workaround for this vulnerability. It is crucial to update to the fixed version as soon as possible to mitigate the risk of information disclosure.

Conclusion

The n8n Information Disclosure vulnerability (CVE-2023-27564) exposes sensitive information to unauthorized users. It is crucial to update to version 0.216.1 or later of the n8n package to mitigate this risk. For further support on vulnerability remediation, please contact DevNack.com.

See every vulnerability recorded for n8n →

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FAQ

n8n is an open-source workflow automation tool that allows users to connect various services and automate tasks.

The vulnerability allows unauthorized users to access sensitive information, potentially compromising the confidentiality of data processed by n8n.

To fix this vulnerability, update to version 0.216.1 or later of the n8n package.

No, there is no known workaround. It is essential to update to the fixed version.

Related vulnerabilities

Recent vulnerabilities recorded for n8n.

How To Fix

Latest published version: 2.44.6 as of 22 Oct 2026

npm install n8n@2.44.6

Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.

If you need the minimum change

0.216.1

This is the first release that contains the fix.

npm install n8n@0.216.1

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

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