Critical Malicious Code Vulnerability in expo-audio-session Package
Summary
MAL-2025-190842: Malicious code in expo-audio-session (npm). Affects expo-audio-session versions 0.2.1. 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 expo-audio-session package is a popular npm library used for managing audio sessions in React Native applications. It provides functionalities such as audio playback and recording, making it essential for developers working on audio-related features. However, this package has been compromised, leading to significant security concerns for users who have it installed.
Vulnerability Detail
The vulnerability stems from the presence of malicious code within the expo-audio-session package, specifically version 0.2.1. This code can compromise any computer that has the package installed, allowing unauthorized access to sensitive information such as secrets and keys. The origin of this vulnerability is linked to a malicious actor who embedded harmful code in the package, which can lead to full control of the affected system. 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 expo-audio-sessionIf 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 should avoid using the expo-audio-session package and look for alternative libraries that provide similar functionality without the associated risks. Additionally, ensure that all secrets and keys stored on the affected system are rotated from a secure environment.
Conclusion
The expo-audio-session package has been compromised with malicious code, posing significant risks to users. Immediate action is required to remove the package and secure any sensitive information. Users should remain vigilant and utilize tools like Vulert to monitor for future vulnerabilities.
See every vulnerability recorded for expo-audio-session →
FAQ
Immediately remove the package from your project and consider your system compromised.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without needing to sign up.
Currently, there is no patched version available. It is recommended to remove the package until a secure version is released.
Failure to address this vulnerability can lead to unauthorized access to sensitive information and complete control of your 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.
