Critical Malicious Code Vulnerability in @array-util/subsearch Package
Summary
MAL-2026-11095: Malicious code in @array-util/subsearch (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The @array-util/subsearch package is a utility library designed for searching and manipulating arrays in JavaScript applications. It provides various functions that enhance array handling capabilities, making it a popular choice among developers. However, this package has been compromised, leading to severe security risks for any application that utilizes it.
Vulnerability Detail
The vulnerability stems from the presence of malicious code embedded within the @array-util/subsearch package. This code can fully compromise any computer where the package is installed, 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, which can lead to significant security breaches and data loss.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @array-util/subsearchIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
Currently, the best workaround is to uninstall the package entirely and avoid using it until a secure version is released. You can execute the following command: 'npm uninstall @array-util/subsearch'.
Conclusion
The @array-util/subsearch package has been compromised with malicious code, posing a significant security threat to any system using it. Immediate action is required to uninstall the package and secure sensitive information. Regular monitoring for updates and vulnerabilities is essential to maintain application security.
See every vulnerability recorded for @array-util/subsearch →
FAQ
Immediately uninstall the package and rotate any sensitive information stored on the affected machine.
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As of now, there is no patched version available. It is recommended to uninstall the package until a secure version is released.
Failing to address this vulnerability can lead to unauthorized access to sensitive data, potential data breaches, and complete control of the affected system by malicious actors.
No, it is highly advised to avoid using this package until the malicious code has been removed and a secure version is released.
