Anthropic experienced two consecutive incidents in which internal files were unintentionally exposed. The first leak, reported last week, made nearly 3,000 internal documents public, including a draft blog post about an unreleased model. The latest incident occurred when the company released version 2.1.88 of its Claude Code package, accidentally bundling roughly 2,000 source code files and over 512,000 lines of code. Anthropic labeled the events as human‑error packaging issues rather than security breaches. The leaks have drawn attention from competitors and developers, especially as OpenAI recently halted its Sora video‑generation product amid rising competition from Claude Code. Read more →

Anthropic inadvertently released the full source code for its Claude Code command‑line interface when a recent npm package included a source‑map file. The leak made nearly 2,000 TypeScript files and over half a million lines of code publicly available. Security researcher Chaofan Shou highlighted the issue, and the code quickly spread across GitHub. Anthropic confirmed the error was a packaging mistake, not a breach of customer data, and said it is implementing safeguards to prevent recurrence. Developers have begun dissecting the code to understand Claude Code’s architecture. Read more →