Expired65% confidenceEventTime unknown
Anthropic's Claude Code NPM package accidentally included Source Map files, causing the complete original source code to be leaked.
3
Sources
65%
Confidence
Medium-term (~90 days)
Relevance
5/31/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 8/29/2026(expired)
Sources
Anthropic源码泄露：Opus 4.7、Sonnet 4.8及卧底模式全面曝光
bilibili未来变量relaunch
Related Entities
Related Claims
UnverifiedDue to a .npmignore configuration error during npm package publishing, Claude Code accidentally leaked approximately 510,000 lines of source code.77% similarVerifiedThe Claude Code source code leak involved 1,902 source files with approximately 510,000 lines of code.76% similarUnverifiedThe Source Map file had been present in the NPM repository for approximately three months since the release of Claude Code before it was discovered.75% similarUnverifiedThe source code of Claude Code v2.1.88 was leaked, and reverse engineering analysis revealed its internal operating mechanism.74% similar
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