Critical Malicious Code Vulnerability in @cbreone/core-services Package
Summary
MAL-2026-1589: Malicious code in @cbreone/core-services (npm). Affects @cbreone/core-services versions 999.999.999 – 9999.9999.9999. No fix is published. How to fix ↓
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Background
The @cbreone/core-services package is a Node.js library designed to provide core services for applications. It is widely used in various projects for its modular architecture and ease of integration. However, recent findings have revealed a serious vulnerability that exposes users to potential malicious code execution.
Vulnerability Detail
This vulnerability, identified as MAL-2026-1589, originates from malicious code embedded within the @cbreone/core-services package. The affected versions include '999.999.999' and '9999.9999.9999'. If exploited, this vulnerability could allow attackers to execute arbitrary code, leading to unauthorized access, data breaches, or system compromise. The malicious code was discovered through a thorough analysis by security researchers at ReversingLabs.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @cbreone/core-servicesIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, users can avoid using the affected versions of the @cbreone/core-services package. Consider replacing it with an alternative library that provides similar functionality without the associated risks.
Conclusion
The discovery of the MAL-2026-1589 vulnerability in the @cbreone/core-services package highlights the importance of maintaining secure coding practices and regularly updating dependencies. Users are urged to take immediate action to mitigate risks associated with this malicious code.
See every vulnerability recorded for @cbreone/core-services →
FAQ
The vulnerability involves malicious code that can execute arbitrary commands, posing a significant security risk.
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Immediately update the package to the latest secure version using npm install @cbreone/core-services@latest.
While specific exploits have not been publicly disclosed, the potential for arbitrary code execution makes it critical to address the vulnerability promptly.
Consider implementing a workaround by avoiding the use of the affected versions and exploring alternative libraries until an update can be applied.
