Malicious Code Injection in jimmy-poke26: A Threat to npm Users
Summary
MAL-2025-157082: Malicious code in jimmy-poke26 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'jimmy-poke26' is part of the npm ecosystem and is associated with the tea.xyz token reward campaign. This package, like many others in this campaign, is designed to inflate developer reputation scores by automatically generating and publishing derivative packages. It is particularly vulnerable due to its inclusion of scripts that modify package metadata and republish variants, which can lead to significant pollution of the npm registry.
Vulnerability Detail
The vulnerability in 'jimmy-poke26' originates from its malicious code that modifies the package.json file. This code removes private flags, alters version numbers, and generates random package names, primarily themed around Indonesian culture. The continuous republishing of these variants can lead to a polluted npm registry, affecting developers' ability to find legitimate packages and potentially compromising their projects with malicious dependencies.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall jimmy-poke26If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, you can avoid using 'jimmy-poke26' and any packages that may have been derived from it. Monitor your package-lock.json file for any unauthorized changes and consider using tools like Vulert to keep track of vulnerabilities in your dependencies.
Conclusion
The 'jimmy-poke26' package poses a significant risk to npm users due to its malicious code that modifies package metadata and repopulates the npm registry with potentially harmful variants. It is essential to remove this package and monitor your dependencies for vulnerabilities to maintain the security of your projects.
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FAQ
'jimmy-poke26' is an npm package that is part of a campaign to inflate developer reputation scores by publishing malicious variants.
The vulnerability can lead to the introduction of malicious code into your project, potentially compromising its security and integrity.
You should uninstall the package immediately using 'npm uninstall jimmy-poke26' and review your other dependencies for any related issues.
You can use tools like Vulert, which monitors your package-lock.json for vulnerabilities and alerts you in real-time without requiring code access.
Yes, you can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without any signup.
