Epic Games is warning users of a breach that impacts 800,000 user accounts tied to the company s online forums. On Monday, the game developer temporarily shut down many of its forums and advised users to change passwords on any accounts that shared the same credentials for some of the forums. The breach is tied to Unreal Engine and Unreal Tournament forums and that the data stolen included email addresses and other data entered into the forums Not impacted forums for the games Paragon, Fortnite, Shadow Complex, and SpyJinx.
Source: https://threatpost.com/epic-games-forums-hacked-sql-injection-vulnerability-blamed/120076/

