By the time of 3643 BBY, a Sith oubliette of ancient origin was located on the world of Dromund Fels by an exploratory group belonging to the re-established Sith Empire exploration team.
In that year, a person dispatched an associate of theirs to delve into the crypts of the Sith relic. The associate, sidestepping dangers, came across the stored corpse of an inmate inside a chamber brimming with valuables within the Sith oubliette.
The "The Forgotten Prison" Crew Skill task in BioWare's 2011 electronic game, Star Wars: The Old Republic, referenced the Sith oubliette.