Malicious Code Vulnerability in session-validate Package
Summary
MAL-2025-191586: Malicious code in session-validate (npm). Affects session-validate versions 2.2.4 – 2.2.6. 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 session-validate package is a Node.js library designed to validate user sessions in web applications. It provides essential functionality for ensuring that user sessions are secure and properly managed. However, the package has been found to contain malicious code, which poses significant security risks to applications that rely on it.
Vulnerability Detail
The vulnerability originates from malicious code embedded within specific versions of the session-validate package (2.2.4 and 2.2.6). This code can compromise the integrity of applications using the package, potentially leading to unauthorized access, data breaches, or other malicious activities. The affected versions were identified through security audits and are linked to a malicious package source.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall session-validateIf 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
If immediate updating is not feasible, consider temporarily removing the session-validate package from your project and implementing an alternative session validation method until a secure version is available.
Conclusion
The session-validate package has been identified as containing malicious code in specific versions, posing a serious security threat to applications. It is crucial to update to the latest version to mitigate risks. Additionally, utilizing tools like Vulert can help monitor and alert for open-source vulnerabilities in your projects.
See every vulnerability recorded for session-validate →
FAQ
Versions 2.2.4 and 2.2.6 of the session-validate package are known to contain malicious code.
You can use Vulert, which monitors open-source vulnerabilities in real-time. By analyzing your package-lock.json file, Vulert can alert you to any vulnerabilities, including those in session-validate.
Consider removing the session-validate package and using an alternative session validation method until a secure version is available.
Detailed information about the vulnerability can be found on the GitHub repository of the malicious packages.
Yes, Vulert offers a playground where you can check if your application is affected by vulnerabilities without requiring signup.
