Critical Malicious Code Vulnerability in dzyclutch-libsignal-node Package
Summary
MAL-2026-17621: Malicious code in dzyclutch-libsignal-node (npm). Affected versions are not published. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
The dzyclutch-libsignal-node package is an npm library designed for handling signal protocol operations. It is utilized in applications requiring secure messaging and communication. However, this package has been compromised, embedding malicious code that poses significant security risks to any system using it.
Vulnerability Detail
The vulnerability originates from the presence of malicious code within the dzyclutch-libsignal-node package. Any system with this package installed is considered fully compromised, allowing unauthorized access to sensitive information such as secrets and keys. The malicious code can lead to severe ramifications, including 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 dzyclutch-libsignal-nodeIf 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 →
Workaround
Currently, there are no effective workarounds for this vulnerability other than removing the package and securing the environment. It is essential to monitor your systems for any signs of compromise.
Conclusion
The dzyclutch-libsignal-node package has been compromised with malicious code, posing a significant threat to any system using it. Immediate action is required to remove the package and secure sensitive information. Utilize tools like Vulert to monitor for vulnerabilities in your applications.
See every vulnerability recorded for dzyclutch-libsignal-node →
FAQ
You should immediately uninstall the package and rotate any sensitive information that may have been compromised.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
No, there is currently no patched version available for this package.
Failing to remove the package could lead to unauthorized access to your system, data breaches, and potential loss of sensitive information.
Vulert monitors and alerts in real-time for open-source vulnerabilities using just the package-lock.json file, ensuring your software remains secure.
