Critical Malicious Code Vulnerability in codexworld Package

codexworld Updated 13 Feb 2026

Summary

13/02/2026
CRITICAL
No i
Critical
Not published

MAL-2026-879: Malicious code in codexworld (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The codexworld package is a JavaScript library available through npm, primarily used for web development tasks. It offers various functionalities that assist developers in building applications efficiently. However, this package has been identified as containing malicious code, posing significant security risks to any system utilizing it.

Vulnerability Detail

The vulnerability stems from the presence of embedded malicious code within the codexworld package. This code can compromise any computer that has the package installed, potentially allowing unauthorized access to sensitive information such as secrets and keys. The origin of this vulnerability is linked to a malicious actor who has inserted harmful code into the package, making it a severe threat to users and their systems.

How To Fix

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

npm uninstall codexworld

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 rotate all secrets and keys stored on the affected computer from a different, secure machine. This step is essential to mitigate any potential damage caused by the malicious code.

Conclusion

The codexworld package has been identified as containing malicious code that poses a significant risk to users. Immediate action is required to remove the package and secure any sensitive information. Regular monitoring for vulnerabilities is essential to maintain the security of your applications.

See every vulnerability recorded for codexworld →

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FAQ

codexworld is a JavaScript library available on npm, used for various web development tasks.

The malicious code can compromise your system, allowing unauthorized access to sensitive information and potentially leading to further security breaches.

Immediately remove the codexworld package and rotate any sensitive information stored on the affected system.

Currently, there is no patched version available. It is crucial to remove the package entirely.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time using just your package-lock.json file. You can also check your application for vulnerabilities using the Vulert playground without any signup.

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How To Fix

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

npm uninstall codexworld

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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