Critical Malicious Code Vulnerability in @oku-ui/tooltip Package
Summary
MAL-2025-191281: Malicious code in @oku-ui/tooltip (npm). Affects @oku-ui/tooltip versions 0.6.2. 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 @oku-ui/tooltip package is a JavaScript library used for creating tooltips in web applications. It provides developers with an easy way to display contextual information to users through hover or focus interactions. However, this package has been compromised, making it susceptible to a severe security threat that can lead to unauthorized access to sensitive information.
Vulnerability Detail
The vulnerability originates from a malicious code injection by the Sha1-Hulud: The Second Coming NPM worm. This worm is designed to steal tokens and credentials from users and publish them to GitHub. It can propagate itself to other NPM packages owned by the user and establish persistence through a GitHub action. Additionally, the worm has the potential to destroy the user's home directory, posing a significant risk to data integrity and security.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @oku-ui/tooltipIf 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 temporary workaround, it is advisable to remove the @oku-ui/tooltip package from your project until a secure version is released. You can do this by executing: npm uninstall @oku-ui/tooltip.
Conclusion
The @oku-ui/tooltip package has been compromised by a malicious worm that poses serious security risks. It is crucial for developers to take immediate action by updating or removing the package to safeguard their applications from potential threats.
See every vulnerability recorded for @oku-ui/tooltip →
FAQ
The vulnerability involves malicious code that steals sensitive information and can propagate to other packages.
You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without needing to sign up.
Consider removing the package as a temporary measure until a secure version is available.
Consequences include unauthorized access to sensitive data, potential data loss, and propagation of the malicious code to other packages.
Check the package repository for any updates or patches that address this vulnerability.
