The 29-twelve months-dilapidated sufferer became severely assaulted in Drum Side road, within the Gilmerton dwelling, between 23: 00 and 23: 30 on Saturday.
Police Scotland mentioned he became taken to the metropolis’s Royal Infirmary with serious accidents.
Det Con Dale Miles, the officer main the investigation, mentioned: “This became a violent and unprovoked assault.”
The suspects fled within the route of Newtoft Side road.
One became described as being in his 30s, 6ft and of muscular produce.
He had short, darkish hair and became carrying a white high, darkish trousers and darkish footwear.
Det Con Miles added: “I am attention-grabbing to someone who became within the dwelling across the time of the incident and noticed the leisure suspicious to come forward.”