BOHEMIA INTERACTIVE a.s.: (Possible) staff account takeover via reset token bruteforce at helpdesk.bistudio.com

As stated in a brief exchange with @rvn in my other report 312433, I might have found a logic flaw in the way https://helpdesk.bistudio.com handles the reset flow and tokens. I've asked if it was possible to obtain a test account, but I fully understand that it's something that cannot be done; as...