Malicious Code Exfiltration in web3-meme-tool Package
Summary
MAL-2026-763: Malicious code in web3-meme-tool (PyPI). Affects web3-meme-tool versions 0.1.2. No fix is published. How to fix ↓
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Background
The web3-meme-tool is a Python package available on PyPI, designed for meme generation and manipulation within the web3 ecosystem. It aims to provide users with tools to create and share memes easily. However, the package has been compromised, leading to significant security concerns due to its malicious intent.
Vulnerability Detail
The vulnerability originates from a malicious code embedded within the web3-meme-tool package, disguised as a metadata checker. This code is designed to exfiltrate sensitive data to an obfuscated remote target. The malicious campaign, identified as '2026-02-metadata-checker', employs techniques such as data exfiltration and obfuscation, posing a severe risk to users who have installed this package. The potential ramifications include unauthorized access to sensitive information and compromise of user privacy.
How To Fix
This package is malicious. Remove it and rotate any credentials it could have accessed.
pip uninstall web3-meme-toolIf it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.
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Workaround
As a temporary workaround, users can avoid using the web3-meme-tool package until a secure version is available. Additionally, consider using alternative packages that provide similar functionality without the associated risks.
Conclusion
The web3-meme-tool package has been identified as having a serious vulnerability due to malicious code that exfiltrates user data. Users are advised to uninstall the package and monitor for updates. Utilizing tools like Vulert can help in identifying such vulnerabilities in real-time.
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FAQ
The vulnerability involves malicious code that exfiltrates sensitive data to a remote server.
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Uninstall the web3-meme-tool package immediately and monitor for any updates or patches.
Yes, consider exploring other meme generation packages that do not have known vulnerabilities.
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