A "leaked draft" refers to a document that was supposed to be secret or private but was shared or made accessible to the public without authorization. Full definition
Perhaps the more interesting story was who had leaked the draft manifesto and why? (totalpolitics.com)
An earlier leaked draft suggested that the private sector should take over the program and that a government role is not needed. (aceee.org)
Some MPs might have fallen on their sword after being found guilty of leaking a draft select committee report on payday lenders to a notorious pay day lending firm. (totalpolitics.com)