Critical Malicious Code Vulnerability in @sanzxcode/libsignal-node Package
Summary
MAL-2026-1122: Malicious code in @sanzxcode/libsignal-node (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The @sanzxcode/libsignal-node package is a library designed for implementing the Signal Protocol in Node.js applications. It provides functionalities for secure messaging and encryption. However, this package has been compromised, leading to severe security risks for any application utilizing it.
Vulnerability Detail
The vulnerability stems from the presence of malicious code within the @sanzxcode/libsignal-node package. This code can fully compromise any computer that has the package installed or running, leading to potential data breaches and unauthorized access to sensitive information. Users are advised to treat any system with this package as fully compromised, necessitating immediate action to secure any secrets or keys stored on the affected machine.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @sanzxcode/libsignal-node
If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
Currently, there are no effective workarounds to mitigate the risks associated with this vulnerability other than removing the package entirely.
Conclusion
The @sanzxcode/libsignal-node package has been compromised with malicious code, posing significant security risks. Immediate action is required to remove the package and secure any sensitive information. Utilize tools like Vulert to monitor for vulnerabilities in your applications.
See every vulnerability recorded for @sanzxcode/libsignal-node →
FAQ
Immediately uninstall the package and rotate any secrets or keys stored on the affected computer.
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Failure to address this vulnerability can lead to unauthorized access to sensitive data, potential data breaches, and complete compromise of the affected system.
Regularly monitor your dependencies for vulnerabilities using tools like Vulert, which can alert you in real-time for open-source vulnerabilities.
It is advisable to review the security history and community feedback of other packages from the same author before using them.