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Claude Code leaks user email in User-Agent string

A user reported that the Claude Code tool is exposing their real email address within the User-Agent string in curl commands. This behavior was not present in previous versions and occurred without explicit user confirmation. The issue affects version v2.1.212 of Claude Code when used with the Anthropic API and Sonnet 5.0 model on macOS. AI

IMPACT Potential privacy concern for users of AI development tools, highlighting the need for careful handling of sensitive information.

RANK_REASON User-reported bug in a specific tool's functionality.

Read on HN — anthropic stories →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

Claude Code leaks user email in User-Agent string

COVERAGE [1]

  1. HN — anthropic stories TIER_1 English(EN) · matada_ ·

    Claude Code is leaking real email address as a User-Agent string in curl command