Malicious npm Package Stole Files From Claude AI User Directory via GitHub
Cybersecurity researchers have discovered a new malicious package on the npm registry that comes with information stealing capabilities. According to OX Security, the package, named "mouse5212-super-formatter," is designed to upload files from "/mnt/user-data," a dedicated directory used by Anthropic's Claude artificial intelligence (AI) tool to handle uploads and outputs in the background. The
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Originally published by The Hacker News
Source: https://thehackernews.com/2026/05/malicious-npm-package-stole-files-from.html
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