Malicious Code Detected in contentful-build-bot: A Critical Security Alert

contentful-build-bot Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-17515: Malicious code in contentful-build-bot (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The package 'contentful-build-bot' is an npm module designed to facilitate automated builds for Contentful projects. It streamlines the process of managing and deploying content, making it easier for developers to integrate and maintain their applications. However, recent findings have revealed that this package contains malicious code, posing significant risks to users and their applications.

Vulnerability Detail

The vulnerability in 'contentful-build-bot' stems from the inclusion of malicious code that can compromise the security of applications utilizing this package. This code may lead to unauthorized access, data breaches, or other malicious activities that can severely impact the integrity and confidentiality of user data. The malicious nature of the code was identified by security researchers from Amazon Inspector, highlighting the importance of vigilance in package management.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall contentful-build-bot

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

As an immediate workaround, consider removing the 'contentful-build-bot' package from your project until a secure version is released. You can do this by executing the following command: 'npm uninstall contentful-build-bot'. This action will mitigate the risk of exposure to the malicious code.

Conclusion

The discovery of malicious code in the 'contentful-build-bot' package underscores the importance of maintaining security in open-source software. Users are advised to take immediate action by updating or removing the package to safeguard their applications. Continuous monitoring for updates and vulnerabilities is essential to ensure ongoing security.

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FAQ

The malicious code can potentially allow unauthorized access to user data and compromise application security.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without any signup.

As of now, a patched version is not specified. It is recommended to monitor the package for updates and apply them as soon as they are released.

If immediate updates are not possible, consider removing the package from your project to prevent exposure to the vulnerability.

The vulnerability was identified by security researchers from Amazon Inspector.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall contentful-build-bot

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

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