Claude Code accused of leaking user email via User-Agent header, dev reports daily scam emails

taylor-edwards · ghdev · 2026-11-06

A developer filed issue #107757 on anthropics/claude-code alleging that Claude Code exposed the user's email in the User-Agent request header while performing web searches, resulting in dozens of scam emails per day after the address was harvested by third parties.

The author argues this should be removed from the harness entirely rather than offered as an opt-in/opt-out setting: it doesn't help services that dislike agentic traffic, doesn't preserve anonymity, and is a goldmine for scammers. They are migrating their company to Pi with OpenRouter. The issue has 33 reactions (macOS, version 2.1.318).

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