Anthropic patches Claude Code privacy leak that exposed user email addresses

Anthropic contributor Lydia Hallie announced a fix, planned for early the following week, for a Claude Code privacy leak in which version 2.1.318 on macOS wrote signed-in users' email addresses into HTTP User-Agent headers during web requests without permission, per GitHub issue #107757 filed November 5. One user reported receiving scam emails daily as a result. Hallie said the fix removes account email from the context provided to the model and noted that a built-in privacy plugin blocks the leak in version 2.1.317 and later.

Anthropic patches Claude Code privacy leak that exposed user email addresses According to GitHub issue 107757 filed November 5, Claude Code version 2.1.318 on macOS was writing signed-in users' email addresses into HTTP User-Agent headers during web requests without permission, leading one user to report receiving scam emails daily. Anthropic contributor Lydia Hallie announced a fix planned for early the following week that removes account email from the context provided to the model, and noted that a built-in privacy plugin blocks the leak in version 2.1.317 and later. Topics Sources - Official Read article https://github.com/anthropics/claude-code/issues/107757 - Press Read article https://theainewsreport.com/2026-11-06-claude-code-email-user-agent-leak-privacy-mod-explained.html Go deeper This intelligence is sourced automatically from public sources across the web and synthesised by the Prefactor AI pipeline. Stories are reviewed before publication.