If you discover a security vulnerability, please do not open a public GitHub issue.
Instead, open a GitHub issue with the title prefix [security] — this flags it for private review.
I'll respond within 48 hours and aim to release a fix within 7 days for confirmed vulnerabilities.
- Article text is sent to the Copyscape API over HTTPS for plagiarism checking. This is the core purpose of the tool. Review Copyscape's privacy policy if your content is sensitive before use.
- Credentials are stored locally at
~/.checkit/config.json. They are only sent towww.copyscape.comover HTTPS. - No other outbound requests. The only network calls are to
docs.google.com(doc fetch) andwww.copyscape.com(API). - No telemetry, no analytics, no logging to any external service.