Malicious Code Vulnerability in @egencia/uitk-react-foundation Package

Summary

22/09/2026
CRITICAL
No i
Critical
Not published

MAL-2026-16519: Malicious code in @egencia/uitk-react-foundation (npm). Affects @egencia/uitk-react-foundation versions 99.9.9. No fix is published. How to fix ↓

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Background

The @egencia/uitk-react-foundation package is a component library designed for building user interfaces in React applications. It provides a set of reusable UI components that help developers create consistent and visually appealing applications. However, this package has been identified to contain malicious code, posing a significant risk to applications that utilize it.

Vulnerability Detail

The vulnerability stems from the presence of malicious code within the @egencia/uitk-react-foundation package, specifically in version 99.9.9. This malicious code can potentially compromise the security of applications using this package, leading to unauthorized access, data breaches, or other harmful actions. The origin of this vulnerability is linked to the package being tampered with, which can have severe ramifications for developers and users alike.

How To Fix

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

npm uninstall @egencia/uitk-react-foundation

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, you can remove the @egencia/uitk-react-foundation package from your project until a secure version is released. You can do this by running the following command: npm uninstall @egencia/uitk-react-foundation.

Conclusion

The @egencia/uitk-react-foundation package has been identified with a serious vulnerability due to malicious code. It is essential for developers to take immediate action by updating or removing the package to safeguard their applications. Utilizing tools like Vulert can help in monitoring and managing open-source vulnerabilities effectively.

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FAQ

The malicious code can lead to unauthorized access and data breaches, potentially compromising sensitive information.

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

Yes, Vulert can monitor and alert you in real-time for open-source vulnerabilities using just your package-lock.json file.

If an immediate update is not possible, consider removing the package as a temporary workaround until a secure version is available.

More information can be found in the vulnerability report on GitHub or through security advisories related to the package.

How To Fix

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

npm uninstall @egencia/uitk-react-foundation

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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