Malicious Code Injection in past_halibut_0xrequest Package
Summary
MAL-2025-106945: Malicious code in past_halibut_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 past_halibut_0xrequest package is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package is designed to facilitate token rewards through automated publishing scripts. However, it has been identified as malicious due to its functionality that modifies package metadata and generates numerous derivative packages to manipulate developer reputation scores.
Vulnerability Detail
The vulnerability originates from the package's malicious payload, which alters the package.json file by removing private flags, changing version numbers, and creating random package names. This behavior leads to the continuous republishing of these variants, which pollutes the npm registry and can compromise the integrity of the software supply chain. The malicious nature of this package poses significant risks to developers and users, as it can lead to unintentional usage of compromised packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall past_halibut_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 past_halibut_0xrequest package and replace it with a trusted alternative that provides similar functionality without the associated risks. Always verify the integrity and reputation of packages before including them in your project.
Conclusion
The past_halibut_0xrequest package poses a significant risk due to its malicious code that alters package metadata and floods the npm registry. It is crucial for developers to remove this package and monitor their projects for vulnerabilities to maintain software integrity.
See every vulnerability recorded for past_halibut_0xrequest →
FAQ
It is an npm package associated with the tea.xyz token reward campaign, which has been identified as malicious.
The vulnerability can lead to the introduction of malicious code, compromising the integrity of your project and potentially affecting users.
You should uninstall the package immediately and check your package-lock.json for any references to it.
Yes, Vulert can monitor and alert you in real-time for open-source vulnerabilities using just your package-lock.json file.
You can use the Vulert playground at Vulert Scanner to check if your application is affected without requiring any signup.
