Anthropic's Claude Code Source Exposed Publicly

The source code of Anthropic’s CLI tool Claude Code was accidentally exposed publicly via a source map in the npm registry. The incident occurred due to an unintended inclusion of the source map, which made the complete codebase accessible. No specific date for the exposure was provided, nor were technical details like version numbers or CVE identifiers mentioned. The impact involves the unintended disclosure of proprietary code, though no further consequences (e.g., exploitation or misuse) were described. The exposure was reported by heise.de as an accidental open-source release.