Critical Malicious Code Vulnerability in @omhc/libsignal-node Package
Summary
MAL-2026-1439: Malicious code in @omhc/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 @omhc/libsignal-node package is a library designed for implementing the Signal Protocol in Node.js applications. It provides functionalities for secure messaging and is widely used in applications that require end-to-end 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 embedded malicious code within the @omhc/libsignal-node package. This code can fully compromise any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of the code has been confirmed by security researchers, and it poses a significant threat to the integrity and confidentiality of affected systems.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @omhc/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
As a workaround, you can temporarily switch to a different library that implements the Signal Protocol securely. Ensure that any sensitive data is handled with care and consider rotating all secrets and keys stored on the affected system.
Conclusion
The @omhc/libsignal-node package has been identified as containing malicious code that poses a significant security risk. Immediate action is required to uninstall the package and secure any sensitive information. Utilizing tools like Vulert can help monitor for vulnerabilities in your software.
See every vulnerability recorded for @omhc/libsignal-node →
FAQ
You should immediately uninstall the package and rotate any secrets or keys stored on the affected system.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without requiring any signup.
No, there is currently no patched version available for this package. It is recommended to remove it entirely.
Failing to address this vulnerability can lead to unauthorized access to sensitive information, potential data breaches, and complete compromise of your system.
Yes, you can use alternative libraries that implement the Signal Protocol securely. Research and select a reputable library to ensure the safety of your application.
