Critical Malicious Code Vulnerability in @shije/new-qs Package

@shije/new-qs Updated 27 Jan 2026

Summary

27/01/2026
CRITICAL
No i
Critical
Not published

MAL-2026-528: Malicious code in @shije/new-qs (npm). Affects @shije/new-qs versions 1.0.0 – 1.0.1. No fix is published. How to fix ↓

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Background

The @shije/new-qs package is a Node.js library available via npm, designed to facilitate query string manipulation. It is commonly used in web applications to parse and stringify query strings. However, this package has been identified as containing malicious code, posing significant security risks to any system that has it installed.

Vulnerability Detail

The vulnerability originates from the presence of embedded malicious code within the @shije/new-qs package. This code can compromise the entire system, allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of the code means that any computer running this package is at risk of being fully compromised, potentially leading to data breaches and loss of control over the affected systems.

How To Fix

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

npm uninstall @shije/new-qs

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

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Workaround

There are no effective workarounds for this vulnerability other than removing the package and ensuring that all sensitive information is secured and rotated.

Conclusion

The @shije/new-qs package contains malicious code that poses a severe security risk to any system using it. Immediate action is required to remove the package and secure any sensitive information. Utilizing tools like Vulert can help monitor for such vulnerabilities in the future.

See every vulnerability recorded for @shije/new-qs →

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FAQ

Immediately remove the package and rotate any secrets or keys stored on the affected system.

You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check your application without any signup.

Regularly monitor your dependencies for vulnerabilities using tools like Vulert, and keep your packages updated to the latest secure versions.

Failure to address this vulnerability can lead to unauthorized access, data breaches, and loss of control over your systems.

While the npm ecosystem is generally reliable, it is essential to remain vigilant and utilize tools like Vulert to monitor for vulnerabilities.

How To Fix

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

npm uninstall @shije/new-qs

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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