Critical Malicious Code Vulnerability in chai-grab Package

chai-grab Updated 06 Feb 2026

Summary

04/02/2026
CRITICAL
No i
Critical
Not published

MAL-2026-720: Malicious code in chai-grab (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The chai-grab package is a Node.js library commonly used in web development for grabbing and manipulating data from various sources. It is designed to simplify the process of data retrieval and processing. However, the package has been found to contain malicious code that compromises the security of any system where it is installed.

Vulnerability Detail

The vulnerability originates from the discovery of embedded malicious code within the chai-grab package. This code can lead to full compromise of the affected computer, allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of the code has been confirmed by security sources, indicating that any system running this package should be considered at risk. The technical implications include potential data breaches and unauthorized control over the system.

How To Fix

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

npm uninstall chai-grab

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

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Workaround

As a workaround, you can temporarily disable the functionality that relies on the chai-grab package while you assess the impact and remove the package. Ensure that you do not run any applications that depend on this package until it has been fully addressed.

Conclusion

The discovery of malicious code in the chai-grab package poses a significant risk to any system using it. Immediate action is required to remove the package and secure sensitive information. Utilizing tools like Vulert can help in monitoring for such vulnerabilities in the future.

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FAQ

You should remove the chai-grab package immediately and rotate any sensitive information stored on the affected system.

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

Currently, there is no patch available for chai-grab. The best course of action is to remove the package entirely.

Failing to address this vulnerability can lead to unauthorized access to your system, data breaches, and potential loss of sensitive information.

Vulert monitors and alerts in real-time for open-source vulnerabilities using just the package-lock.json file, allowing you to stay informed about potential risks.

How To Fix

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

npm uninstall chai-grab

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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