Critical Malicious Code Vulnerability in @lessondesk/react-table-context Package

Summary

24/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-191031: Malicious code in @lessondesk/react-table-context (npm). Affects @lessondesk/react-table-context versions 2.0.4. No fix is published. How to fix ↓

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Background

The @lessondesk/react-table-context package is a JavaScript library designed for managing state and context in React applications, particularly for table functionalities. It allows developers to create dynamic and interactive tables with ease. However, the package has been found to contain malicious code, posing significant security risks to any application that utilizes it.

Vulnerability Detail

The vulnerability originates from the inclusion of malicious code within the @lessondesk/react-table-context package. This code can compromise any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of this code is classified under CWE-506, indicating that it appears to be intentionally harmful. Users are advised to treat any system running this package as fully compromised.

How To Fix

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

npm uninstall @lessondesk/react-table-context

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

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Workaround

As a workaround, it is recommended to avoid using the @lessondesk/react-table-context package altogether. Instead, consider using alternative packages that provide similar functionalities without the associated risks. Always ensure to review the security status of any package before installation.

Conclusion

The discovery of malicious code within the @lessondesk/react-table-context package poses a serious threat to users and their systems. Immediate action is required to mitigate risks, including uninstalling the package and securing sensitive information. Always stay vigilant and utilize tools like Vulert to monitor for vulnerabilities in your applications.

See every vulnerability recorded for @lessondesk/react-table-context →

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FAQ

You should immediately uninstall the package and rotate any sensitive information stored on the affected system.

You can use Vulert, which monitors and alerts for open-source vulnerabilities. Visit Vulert Scanner to check your application without needing to sign up.

No, there is currently no patched version available for this package.

Failure to address this vulnerability can lead to unauthorized access to sensitive data, potentially compromising your entire system.

Yes, but you should consider replacing it with a secure alternative that provides similar functionalities.

How To Fix

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

npm uninstall @lessondesk/react-table-context

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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