Critical Malicious Code Vulnerability in @silgi/yoga Package

@silgi/yoga Updated 25 Nov 2025

Summary

25/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-191320: Malicious code in @silgi/yoga (npm). Affects @silgi/yoga versions 0.7.1. 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 Devnack Mobile apps built by Devnack Design, build and launch iOS and Android apps with a senior product team. From idea to store release Start a project

Background

The @silgi/yoga package is an npm library designed for yoga-related functionalities, potentially offering features like layout management and styling for yoga applications. However, it has been compromised, making it a target for malicious actors. Users of this package should be aware of its vulnerabilities, especially in the context of security and data integrity.

Vulnerability Detail

This vulnerability originates from the Sha1-Hulud: The Second Coming NPM worm, which has infected the @silgi/yoga package. The malicious code embedded within this package is designed to steal tokens and credentials from users, subsequently publishing this sensitive information to GitHub. Additionally, the worm can propagate itself to other npm packages owned by the user and establish persistence through GitHub actions. There is also a risk that the worm may destroy the user's home directory, leading to significant data loss.

How To Fix

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

npm uninstall @silgi/yoga

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

As a temporary workaround, users can remove the @silgi/yoga package from their project by executing the following command: npm uninstall @silgi/yoga. This will prevent the malicious code from executing while waiting for a secure update.

Conclusion

The @silgi/yoga package has been compromised by a malicious worm that poses significant risks to users, including data theft and potential data loss. Immediate action is required to mitigate these risks by updating or uninstalling the package. Utilizing tools like Vulert can help in monitoring and managing vulnerabilities effectively.

See every vulnerability recorded for @silgi/yoga →

Share this vulnerability

FAQ

The malicious code is designed to steal user tokens and credentials, publishing them to GitHub and potentially destroying the user's home directory.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in real-time. Visit Vulert Scanner to check your application without requiring any signup.

If an immediate update is not possible, uninstall the @silgi/yoga package to mitigate the risk until a secure version is available.

Yes, the impacts include unauthorized access to sensitive information, potential data loss, and the risk of further propagation of the malicious code to other packages.

Regularly monitor your dependencies using tools like Vulert, and keep your packages updated to the latest secure versions to minimize risks.

How To Fix

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

npm uninstall @silgi/yoga

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