Critical Malicious Code Vulnerability in @nazi-team/libsignal-node Package

@nazi-team/libsignal-node Updated 02 Mar 2026

Summary

02/03/2026
CRITICAL
No i
Critical
Not published

MAL-2026-1120: Malicious code in @nazi-team/libsignal-node (npm). Affected versions are not published. No fix is published. How to fix ↓

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Background

The @nazi-team/libsignal-node package is a Node.js library designed for secure messaging and communication. It is part of the broader ecosystem of tools that facilitate encrypted messaging. However, this package has been identified as containing malicious code, which poses a significant risk to any system utilizing it.

Vulnerability Detail

The vulnerability stems from the presence of embedded malicious code within the @nazi-team/libsignal-node package. This code can compromise any computer that has the package installed, leading to unauthorized access and control by external entities. Users should be aware that all secrets and keys stored on affected systems should be considered compromised and should be rotated immediately. The malicious nature of this code is classified under CWE-506, indicating that it appears to be intentionally harmful.

How To Fix

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

npm uninstall @nazi-team/libsignal-node

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

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Workaround

As there is no direct workaround to mitigate the effects of the malicious code, the only effective measure is to uninstall the package and secure your system. You can use the following command to remove the package: npm uninstall @nazi-team/libsignal-node.

Conclusion

The discovery of malicious code in the @nazi-team/libsignal-node package highlights the importance of vigilance when using open-source libraries. Immediate action is required to mitigate risks, including uninstalling the package and securing sensitive information. Utilizing tools like Vulert can help in monitoring for such vulnerabilities in the future.

See every vulnerability recorded for @nazi-team/libsignal-node →

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FAQ

You should immediately uninstall the package and rotate any sensitive information stored on your system.

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Keeping this package can lead to unauthorized access to your system, data theft, and potential control by malicious actors.

Currently, there is no patched version available for this package, so removal is the only option.

Vulert monitors and alerts for open-source vulnerabilities in your software by analyzing the package-lock.json file, providing real-time insights.

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How To Fix

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

npm uninstall @nazi-team/libsignal-node

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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