Claude Code was mailing your email address to every website it visited: the User-Agent leak, the 5-month system-prompt issue, and the 5-point check
Two GitHub issues, five months apart, describe the same leak through two different pipes. Yesterday's, filed at 22:13 and now at 360 reactions: Claude Code sends your account email address to arbitrary third-party websites in the User-Agent request header when its web tools run. The reporter's evid…
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Timeline · 2 reports
- 2026-11-06 11:01 · DEV Community — AI
Claude Code Put Account Emails in User-Agent Headers. Stable 2.1.311 Lacks the Guard - 2026-11-06 08:22 · DEV Community — AI
Claude Code was mailing your email address to every website it visited: the User-Agent leak, the 5-month system-prompt issue, and the 5-point check
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