Critical Malicious Code Vulnerability in avalon-plugin-chipmunk Package

avalon-plugin-chipmunk Updated 02 Oct 2025

Summary

14/08/2025
CRITICAL
No i
Critical
Not published

MAL-2025-15177: Malicious code in avalon-plugin-chipmunk (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The avalon-plugin-chipmunk package is an npm module designed to enhance the functionality of applications by providing specific features related to chipmunk integration. It is widely used in various projects for its ease of use and flexibility. However, recent findings have revealed that this package contains malicious code, posing significant security risks to applications that depend on it.

Vulnerability Detail

The vulnerability stems from the inclusion of malicious code within the avalon-plugin-chipmunk package. This code can potentially compromise the security of applications using the package, leading to unauthorized access, data breaches, or other harmful actions. The malicious code was introduced in version 0 and affects all subsequent versions, making it critical for users to take immediate action to mitigate the risks associated with this vulnerability.

How To Fix

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

npm uninstall avalon-plugin-chipmunk

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 workaround, users can remove the avalon-plugin-chipmunk package from their project until a secure version is released. This can be done by executing the following command: 'npm uninstall avalon-plugin-chipmunk'. Additionally, consider using alternative packages that provide similar functionality without the associated risks.

Conclusion

The discovery of malicious code in the avalon-plugin-chipmunk package highlights the importance of maintaining vigilance in software dependencies. Users are urged to update or remove the affected package to safeguard their applications against potential threats.

See every vulnerability recorded for avalon-plugin-chipmunk →

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FAQ

The malicious code is designed to exploit vulnerabilities in applications, potentially leading to unauthorized access or data manipulation.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. By analyzing your package-lock.json file, Vulert can help identify if your application is affected.

Yes, you can temporarily uninstall the package and look for alternative solutions until a secure version is released.

If you suspect that your application has been compromised, it is crucial to conduct a security audit, remove the affected package, and restore from a secure backup.

Detailed information can be found in the vulnerability report on GitHub and through security advisories related to the npm ecosystem.

How To Fix

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

npm uninstall avalon-plugin-chipmunk

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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