Critical Malicious Code Vulnerability in scrollbar-stylecss Package

scrollbar-stylecss Updated 08 Jan 2026

Summary

07/01/2026
CRITICAL
No i
Critical
Not published

MAL-2026-144: Malicious code in scrollbar-stylecss (npm). Affected versions are not published. No fix is published. How to fix ↓

Free scan

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.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Sponsored MarkAI Find prospects already talking about the problem you solve AI watches the communities your customers use to find qualified prospects, then alerts you when a conversation is worth joining. See MarkAI

Background

The scrollbar-stylecss package is a JavaScript library available through npm that is designed to enhance the styling of scrollbars in web applications. It allows developers to customize scrollbar appearance to improve user experience. However, this package has been identified as containing malicious code that can compromise the security of any system it is installed on.

Vulnerability Detail

The vulnerability originates from the inclusion of malicious code within the scrollbar-stylecss package. This code can lead to full compromise of any computer running the package, allowing unauthorized access to sensitive information such as secrets and keys. The malicious nature of the code is classified under CWE-506, indicating that it contains embedded malicious code. Users should be aware that simply removing the package may not eliminate all traces of the malicious software, as it may have already granted control to an outside entity.

How To Fix

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

npm uninstall scrollbar-stylecss

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 →

Workaround

There are no specific workarounds to mitigate the effects of this vulnerability. The only recommended action is to uninstall the affected package and secure your system.

Conclusion

The scrollbar-stylecss 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 in monitoring and preventing future vulnerabilities.

See every vulnerability recorded for scrollbar-stylecss →

Share this vulnerability

FAQ

You should immediately uninstall the scrollbar-stylecss package and rotate any sensitive information stored on your 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 needing to sign up.

Leaving this vulnerability unaddressed can lead to unauthorized access to your system, potentially compromising sensitive data and allowing malicious actors to control your computer.

No, there is no patched version available for scrollbar-stylecss as the package is considered compromised and should be removed entirely.

Regularly monitor your dependencies for vulnerabilities using tools like Vulert and keep your packages updated to the latest secure versions.

How To Fix

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

npm uninstall scrollbar-stylecss

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 →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback