
Miasma Worm Hits 73 Microsoft GitHub Repositories, Targeting Developers With AI Coding Tools
The Miasma self-replicating supply chain worm compromised 73 repositories across Microsoft's GitHub organizations on June 5, using malicious configuration files designed to steal developer credentials when they open affected repos in AI coding tools including Claude Code, Cursor, and Gemini CLI. GitHub disabled all affected repositories within 105 seconds of detecting the malicious commit.










