{"slug": "claude-code-is-leaking-real-email-address-as-a-user-agent-string-in-curl-command", "title": "Claude Code is leaking real email address as a User-Agent string in curl command", "summary": "Anthropic's Claude Code v2.1.212 on macOS in IntelliJ IDEA terminal sent a user's real email address as the User-Agent string in a curl command without explicit confirmation, according to GitHub issue #78431 filed by a user. The issue, labeled as a security and networking bug, states the behavior is a regression from a previous version and requests that the tool ask before using the email in the User-Agent header.", "body_md": "-\n[Notifications](/login?return_to=%2Fanthropics%2Fclaude-code)You must be signed in to change notification settings -\n[Fork 22.7k](/login?return_to=%2Fanthropics%2Fclaude-code)\n\n# [BUG] you stupid agent used my real email as user agent string without asking anything #78431\n\nCopy link\n\nCopy link\n\nOpen\n\nLabels\n\n[area:networking](https://github.com/anthropics/claude-code/issues?q=state%3Aopen%20label%3A%22area%3Anetworking%22)\n\n[area:security](https://github.com/anthropics/claude-code/issues?q=state%3Aopen%20label%3A%22area%3Asecurity%22)\n\n[bugSomething isn't working](https://github.com/anthropics/claude-code/issues?q=state%3Aopen%20label%3A%22bug%22)Something isn't working\n\n[needs-infoIssue needs more information to be actionable](https://github.com/anthropics/claude-code/issues?q=state%3Aopen%20label%3A%22needs-info%22)Issue needs more information to be actionable\n\n[platform:intellijIssue specifically occurs in IntelliJ/JetBrains](https://github.com/anthropics/claude-code/issues?q=state%3Aopen%20label%3A%22platform%3Aintellij%22)Issue specifically occurs in IntelliJ/JetBrains\n\n[platform:macosIssue specifically occurs on macOS](https://github.com/anthropics/claude-code/issues?q=state%3Aopen%20label%3A%22platform%3Amacos%22)Issue specifically occurs on macOS\n\n## Description\n\n### Preflight Checklist\n\n- I have searched\n[existing issues](https://github.com/anthropics/claude-code/issues?q=is%3Aissue%20state%3Aopen%20label%3Abug)and this hasn't been reported yet - This is a single bug report (please file separate reports for different bugs)\n- I am using the latest version of Claude Code\n\n### What's Wrong?\n\nyou stupid agent used my real email as user agent string without asking anything\n\n### What Should Happen?\n\nasked for a tool for analyze used email as part of UA without asking\n\n### Error Messages/Logs\n\n### Steps to Reproduce\n\nemail address sent in header User-Agent without explicit confirmation\n\n### Claude Model\n\nNone\n\n### Is this a regression?\n\nYes, this worked in a previous version\n\n### Last Working Version\n\n*No response*\n\n### Claude Code Version\n\nv2.1.212\n\n### Platform\n\nAnthropic API\n\n### Operating System\n\nmacOS\n\n### Terminal/Shell\n\nIntelliJ IDEA terminal\n\n### Additional Information\n\nusing sonnet 5.0\n\nReactions are currently unavailable\n\n## Metadata\n\n## Metadata\n\n### Assignees\n\n### Labels\n\n[area:networking](https://github.com/anthropics/claude-code/issues?q=state%3Aopen%20label%3A%22area%3Anetworking%22)\n\n[area:security](https://github.com/anthropics/claude-code/issues?q=state%3Aopen%20label%3A%22area%3Asecurity%22)\n\n[bugSomething isn't working](https://github.com/anthropics/claude-code/issues?q=state%3Aopen%20label%3A%22bug%22)Something isn't working\n\n[needs-infoIssue needs more information to be actionable](https://github.com/anthropics/claude-code/issues?q=state%3Aopen%20label%3A%22needs-info%22)Issue needs more information to be actionable\n\n[platform:intellijIssue specifically occurs in IntelliJ/JetBrains](https://github.com/anthropics/claude-code/issues?q=state%3Aopen%20label%3A%22platform%3Aintellij%22)Issue specifically occurs in IntelliJ/JetBrains\n\n[platform:macosIssue specifically occurs on macOS](https://github.com/anthropics/claude-code/issues?q=state%3Aopen%20label%3A%22platform%3Amacos%22)Issue specifically occurs on macOS", "url": "https://wpnews.pro/news/claude-code-is-leaking-real-email-address-as-a-user-agent-string-in-curl-command", "canonical_source": "https://github.com/anthropics/claude-code/issues/78431", "published_at": "2026-08-11 14:21:47+00:00", "updated_at": "2026-08-11 14:43:37.791313+00:00", "lang": "en", "topics": ["ai-tools", "ai-ethics", "ai-safety"], "entities": ["Anthropic", "Claude Code", "GitHub", "IntelliJ IDEA"], "alternates": {"html": "https://wpnews.pro/news/claude-code-is-leaking-real-email-address-as-a-user-agent-string-in-curl-command", "markdown": "https://wpnews.pro/news/claude-code-is-leaking-real-email-address-as-a-user-agent-string-in-curl-command.md", "text": "https://wpnews.pro/news/claude-code-is-leaking-real-email-address-as-a-user-agent-string-in-curl-command.txt", "jsonld": "https://wpnews.pro/news/claude-code-is-leaking-real-email-address-as-a-user-agent-string-in-curl-command.jsonld"}}