Critical Malicious Code Vulnerability in i18never Package
Summary
MAL-2025-192591: Malicious code in i18never (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 i18never package is an npm library designed for internationalization (i18n) in JavaScript applications. It provides developers with tools to manage translations and localization efficiently. However, it has been identified as containing malicious code that compromises the security of any system where it is installed.
Vulnerability Detail
The vulnerability originates from the inclusion of malicious code within the i18never 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 ramifications are severe, as it may lead to data breaches and loss of control over the affected systems. Users should be aware that simply removing the package may not eliminate all traces of the malicious software.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall i18neverIf 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, ensure that the i18never package is uninstalled from your project by running: npm uninstall i18never. However, be aware that this action may not fully mitigate the risks associated with the malicious code already executed on the system.
Conclusion
The i18never package has been identified as containing malicious code that poses a significant security risk. Immediate action is required to remove the package and secure any sensitive information. Users are encouraged to utilize tools like Vulert to monitor for vulnerabilities in their applications.
See every vulnerability recorded for i18never →
FAQ
i18never is an npm package used for internationalization in JavaScript applications, helping developers manage translations and localization.
The malicious code can compromise your system, allowing unauthorized access to sensitive information and potentially leading to data breaches.
You should immediately uninstall the i18never package and rotate any secrets or keys stored on the affected system.
Yes, you can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. You can check your application using the Vulert playground without any signup.
Not necessarily. While removing the package is essential, there may still be remnants of the malicious code that could compromise your system.
