Malicious Code Detected in bespoke-webpack: A Critical Vulnerability Alert

bespoke-webpack Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-15606: Malicious code in bespoke-webpack (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The package 'bespoke-webpack' is a tool designed to facilitate the creation of bespoke presentations using Webpack. It allows developers to customize their presentation workflows and integrate various plugins to enhance functionality. However, this package has been identified to contain malicious code, posing significant risks to users who rely on it for their projects.

Vulnerability Detail

The vulnerability in 'bespoke-webpack' originates from the inclusion of malicious code within the package. This code can potentially compromise the security of applications that utilize this package, leading to unauthorized access, data breaches, or other malicious activities. Users of this package should be aware of the risks associated with its use, especially in production environments.

How To Fix

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

npm uninstall bespoke-webpack

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 a temporary measure, consider removing 'bespoke-webpack' from your project until a secure version is released. You can do this by running: 'npm uninstall bespoke-webpack'. Alternatively, explore other presentation tools that do not have known vulnerabilities.

Conclusion

The discovery of malicious code in 'bespoke-webpack' highlights the importance of maintaining vigilance when using open-source packages. Users are strongly advised to update or remove the package until a secure version is released to mitigate potential risks.

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FAQ

'bespoke-webpack' is a package that helps developers create customized presentations using Webpack.

The specific nature of the malicious code has not been disclosed, but it poses significant security risks.

You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without any signup.

Consider removing 'bespoke-webpack' from your project or using alternative tools until a secure version is available.

Utilize tools like Vulert, which monitors your package-lock.json for vulnerabilities in real-time.

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How To Fix

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

npm uninstall bespoke-webpack

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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