Hackers Are Posting the Claude Code Leak With Bonus Malware
highnewsLLM-Specific
security
Source: Wired (Security)April 4, 2026
Summary
Anthropic's source code for Claude Code (an AI coding tool) was accidentally made public, and hackers have been reposting it on GitHub with infostealer malware (software that steals personal information) embedded in the code. Anthropic has been trying to remove the leaked copies by issuing copyright takedown notices, initially targeting over 8,000 repositories before narrowing efforts to 96 copies.
Solution / Mitigation
Anthropic has been issuing copyright takedown notices to remove copies of the leaked code from GitHub.
Classification
Attack Type
Supply ChainData Extraction
Attack SophisticationModerate
Impact (CIA+S)
confidentiality
Affected Vendors
Anthropic
Related Issues
Monthly digest — independent AI security research
Original source: https://www.wired.com/story/security-news-this-week-hackers-are-posting-the-claude-code-leak-with-bonus-malware/
First tracked: April 4, 2026 at 08:00 AM
Classified by LLM (prompt v3) · confidence: 92%