Malicious Code Injection in essential_opossum_0xrequest Package
Summary
MAL-2025-102240: Malicious code in essential_opossum_0xrequest (npm). Affected versions are not published. 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 essential_opossum_0xrequest package is part of the npm ecosystem, primarily used for various JavaScript applications. It has been identified as part of a larger campaign that aims to exploit the npm registry by flooding it with malicious packages. This package, like others in the campaign, is designed to manipulate package metadata and inflate developer reputation scores through automated scripts.
Vulnerability Detail
The vulnerability originates from the malicious intent behind the essential_opossum_0xrequest package, which is linked to the tea.xyz token reward campaign. The package contains scripts that automatically modify the package.json file by removing private flags, altering version numbers, and generating random package names. This behavior leads to the pollution of the npm registry and can compromise the integrity of applications relying on this package. The ramifications include potential security risks for developers and users, as well as damage to the npm ecosystem.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall essential_opossum_0xrequestIf 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, you can avoid using the essential_opossum_0xrequest package and look for alternative packages that provide similar functionality without the associated risks. Additionally, you can monitor your package dependencies using tools like Vulert, which can alert you to vulnerabilities in real-time.
Conclusion
The essential_opossum_0xrequest package poses a significant risk due to its malicious code designed to manipulate npm registry data. It is crucial for developers to remove this package and monitor their dependencies for vulnerabilities. Utilizing tools like Vulert can enhance security by providing real-time alerts for open-source vulnerabilities.
See every vulnerability recorded for essential_opossum_0xrequest →
FAQ
It is an npm package that has been identified as part of a malicious campaign to manipulate the npm registry.
The vulnerability can lead to the pollution of the npm registry and may compromise the security of applications that depend on this package.
You should uninstall the package immediately and look for alternatives. Use 'npm uninstall essential_opossum_0xrequest' to remove it.
Yes, tools like Vulert can help monitor your dependencies for vulnerabilities in real-time without requiring code access.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without signing up.
