Critical Malicious Code Vulnerability in cookie-parsers-env Package
Summary
MAL-2026-678: Malicious code in cookie-parsers-env (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The cookie-parsers-env package is an npm module designed for parsing cookies in Node.js applications. It is commonly used to manage user sessions and store user preferences. However, this package has been compromised, embedding malicious code that can lead to severe security breaches, including unauthorized access to sensitive data and system control.
Vulnerability Detail
The vulnerability originates from the malicious code embedded within the cookie-parsers-env package, identified by the source ghsa-malware. Any system running this package is considered fully compromised, as it may allow external entities to gain complete control over the affected machine. This includes access to secrets and keys stored on the system, which can lead to further exploitation and data breaches.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall cookie-parsers-envIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
There are no effective workarounds to mitigate the risks posed by this vulnerability. The only recommended action is to remove the package entirely and secure the system.
Conclusion
The cookie-parsers-env package has been compromised, posing a significant security risk to any system using it. Immediate action is required to remove the package and secure any sensitive information. Regular monitoring of dependencies is essential to prevent future vulnerabilities.
See every vulnerability recorded for cookie-parsers-env →
FAQ
You should immediately uninstall the cookie-parsers-env package and rotate any sensitive credentials stored on the affected system.
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The consequences include unauthorized access to sensitive data, potential data breaches, and complete control of the affected system by malicious actors.
Regularly monitor your dependencies for vulnerabilities using tools like Vulert, which can alert you in real-time for open-source vulnerabilities.
No, due to the embedded malicious code, it is unsafe to use cookie-parsers-env. It is recommended to find an alternative package.
