Malicious Code Injection in yelling_macaw_replicate_automation Package
Summary
MAL-2025-111286: Malicious code in yelling_macaw_replicate_automation (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 yelling_macaw_replicate_automation package is part of the npm ecosystem, primarily used for automation tasks. It is associated with the tea.xyz token reward campaign, which has been linked to a series of malicious packages that flood the npm registry. These packages are designed to inflate developer reputation scores through the automatic generation and publication of derivative packages.
Vulnerability Detail
This vulnerability originates from a malicious payload embedded within the yelling_macaw_replicate_automation package. It modifies the package.json file by removing private flags, altering version numbers, and generating random package names, which can lead to the pollution of the npm registry. The malicious scripts are designed to continuously republish these variants, potentially compromising the integrity of the npm ecosystem and affecting developers who rely on these packages.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall yelling_macaw_replicate_automationIf 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 prevent the package from being used in your project by removing it from your dependencies and ensuring that your package-lock.json file does not reference it. Additionally, consider using a tool like Vulert to monitor your project for vulnerabilities in real-time.
Conclusion
The yelling_macaw_replicate_automation package contains a serious vulnerability that can compromise the integrity of the npm ecosystem. It is crucial to uninstall this package and monitor your project for any potential vulnerabilities using tools like Vulert.
See every vulnerability recorded for yelling_macaw_replicate_automation →
FAQ
It is an npm package associated with automation tasks but has been compromised with malicious code.
The vulnerability can lead to the pollution of the npm registry and may compromise the integrity of your project by introducing unwanted packages.
You should uninstall the yelling_macaw_replicate_automation package immediately and check for any dependencies that may be affected.
You can use Vulert, which monitors your package-lock.json for vulnerabilities in real-time without requiring code access.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected without signing up.
