Malicious Code Injection in nokire-sekiya91: A Threat to npm Users
Summary
MAL-2025-163486: Malicious code in nokire-sekiya91 (npm). Affected versions are not published. No fix is published. How to fix ↓
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Background
The package 'nokire-sekiya91' is part of a series of malicious packages that emerged during the tea.xyz token reward campaign. These packages are designed to manipulate the npm ecosystem by automatically generating and publishing derivative packages with randomized names. This behavior not only inflates developer reputation scores but also poses a significant risk to users by polluting the npm registry with potentially harmful code.
Vulnerability Detail
The vulnerability in 'nokire-sekiya91' originates from its malicious design, which includes scripts that modify the package.json file to remove private flags and change version numbers. It generates random package names, primarily themed around Indonesian culture, and continuously republishes these variants. This not only compromises the integrity of the npm registry but also exposes users to the risk of inadvertently using compromised packages, leading to potential security breaches in their applications.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
npm uninstall nokire-sekiya91If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary measure, you can avoid using the 'nokire-sekiya91' package and any other packages associated with the tea.xyz token reward campaign. Regularly audit your dependencies using tools like npm audit to identify and mitigate potential vulnerabilities.
Conclusion
The 'nokire-sekiya91' package represents a significant threat to the npm ecosystem due to its malicious behavior. It is crucial for developers to remain vigilant, regularly audit their dependencies, and utilize tools like Vulert to ensure their applications are secure from such vulnerabilities.
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FAQ
'nokire-sekiya91' is an npm package that has been identified as malicious, designed to manipulate the npm registry and inflate developer reputation scores.
Using 'nokire-sekiya91' can lead to the introduction of malicious code into your application, potentially compromising its security and integrity.
You should uninstall 'nokire-sekiya91' immediately using the command 'npm uninstall nokire-sekiya91' and audit your project for any other vulnerabilities.
You can use tools like npm audit or services like 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 by this vulnerability without any signup.
