Critical Malicious Code Vulnerability in pearpass-lib-ui-theme-provider Package

Summary

04/03/2026
CRITICAL
No i
Critical
Not published

MAL-2026-1237: Malicious code in pearpass-lib-ui-theme-provider (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The pearpass-lib-ui-theme-provider is an npm package designed for providing UI themes in applications. It is utilized by developers to enhance the visual aspects of their projects. However, this package has been compromised, leading to significant security concerns for any application that integrates it.

Vulnerability Detail

The vulnerability originates from the presence of malicious code embedded within the pearpass-lib-ui-theme-provider package. This code can fully compromise any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The ramifications include potential data breaches and loss of control over the affected systems, as the malicious code may persist even after the package is removed.

How To Fix

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

npm uninstall pearpass-lib-ui-theme-provider

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

There are no effective workarounds for this vulnerability other than removing the package and securing your environment. It is crucial to monitor your systems for any signs of compromise.

Conclusion

The pearpass-lib-ui-theme-provider package has been identified as containing malicious code that poses a significant security risk. It is crucial for developers to remove this package and secure their systems to prevent unauthorized access and data breaches.

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FAQ

The malicious code can lead to full system compromise, allowing attackers to access sensitive information and potentially control the affected computer.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. By checking your package-lock.json file, you can determine if your application is at risk.

Immediately uninstall the pearpass-lib-ui-theme-provider package and rotate any sensitive keys or secrets stored on the affected machine.

No, there is currently no patched version available for the pearpass-lib-ui-theme-provider package. It is recommended to remove it entirely.

You can use the Vulert playground to check if your application is affected by this vulnerability without needing to sign up.

How To Fix

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

npm uninstall pearpass-lib-ui-theme-provider

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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