Critical Malicious Code Vulnerability in Puppeteer Package
Summary
MAL-2026-5077: Malicious code in puppeteer (npm). Affects puppeteer versions 25.0.1. No fix is published. How to fix ↓
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Background
Puppeteer is a popular Node.js library that provides a high-level API to control headless Chrome or Chromium browsers over the DevTools Protocol. It is widely used for web scraping, automated testing, and rendering web pages. However, the package has been compromised, leading to a significant security vulnerability that can fully compromise any system running it.
Vulnerability Detail
The vulnerability originates from a malicious code embedded within the Puppeteer package (version 25.0.1). This code can grant an attacker full control over the affected system, allowing them to access sensitive information, including secrets and keys stored on the machine. The presence of this malicious code classifies it under CWE-506, indicating that the product contains code that appears to be malicious in nature. Users are advised to treat any system with this package installed as fully compromised.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall puppeteerIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, avoid using the Puppeteer package until it has been confirmed safe. If you must use it, consider running it in a secure, isolated environment to mitigate potential risks.
Conclusion
The Puppeteer package has been compromised with malicious code, posing a serious risk to any system running it. Immediate action is required to remove the affected version and secure sensitive information. Regular monitoring for vulnerabilities is essential to maintain the integrity of your software.
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FAQ
Immediately remove the package and rotate any sensitive information stored on the affected system.
You can use Vulert's playground at Vulert Scanner to check if your application is affected without requiring any signup.
Yes, Vulert can monitor and alert you in real-time for open-source vulnerabilities using just your package-lock.json file.
Failing to address this vulnerability can lead to unauthorized access to your system, data breaches, and potential loss of sensitive information.
You can use Puppeteer again once a safe, patched version is released and verified. Always ensure to stay updated with the latest releases.
References
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