I lead Product Security at Cloudflare (and I'm one of Albert's biggest fans, he's contributed a lot to our bug bounty, thank you Albert). Once he reported the

I lead Product Security at Cloudflare (and I'm one of Albert's biggest fans, he's contributed a lot to our bug bounty, thank you Albert). Once he reported the issue we investigated all prior email routing configurations to ensure that this had only been found as part of Albert's responsible disclosure to us. We disclosed the issue here earlier this week: https://hackerone.com/reports/1419341 https://hackerone.com/reports/1419341