Critical Malicious Code Vulnerability in @jes4l/react-pkg Package
Summary
MAL-2026-755: Malicious code in @jes4l/react-pkg (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The @jes4l/react-pkg package is an npm library designed for React applications, providing various functionalities to enhance development. However, it has been identified as containing malicious code that compromises the security of any system where it is installed. This vulnerability poses a significant risk to developers and organizations relying on this package for their projects.
Vulnerability Detail
The vulnerability originates from the inclusion of malicious code within the @jes4l/react-pkg package. Once installed, this code can grant unauthorized access to the system, potentially allowing attackers to steal sensitive information such as secrets and keys. The severity of this issue is underscored by the fact that any computer running this package should be considered fully compromised, necessitating immediate action to mitigate risks.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall @jes4l/react-pkgIf 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 for this vulnerability other than removing the package entirely. It is recommended to avoid using this package until further notice.
Conclusion
The @jes4l/react-pkg package has been identified as containing malicious code that poses a serious security risk. Immediate removal of the package and rotation of sensitive information is essential to mitigate potential damage. Users are encouraged to utilize tools like Vulert for ongoing monitoring of vulnerabilities in their projects.
See every vulnerability recorded for @jes4l/react-pkg →
FAQ
You should immediately uninstall the package using npm uninstall @jes4l/react-pkg and rotate any sensitive information stored on the affected system.
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No, there is currently no patched version available for this package. The only solution is to remove it.
Failing to address this vulnerability can lead to unauthorized access to your system, data breaches, and potential loss of sensitive information.
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