@Hirudin asked in this thread about whether we were affected by the so-called “Cloudbleed” bug that was discovered on 2/17. We analyzed this quickly on the same day and were fairly certain we would not be affected, but wanted to do a deeper investigation before we made a final conclusion.
In short, good news: we use Cloudflare primarily for DNS and do not pass any login data through their servers, so we were not affected and no action is required.