The Chaos (2865241) writes "Blizzard has temporarily disabled the Auction House in Diablo III after discovering a gold duping exploit that pays out trillions of gold to users for free. The exploit was caused by the recently launched 1.0.8 patch." Link to Original Source
If it happens once, it's a bug. If it happens twice, it's a feature.
If it happens more than twice, it's a design philosophy.