The Taliban is intensifying a search for people who worked with US and NATO forces, according to a confidential United Nations document seen by news agency AFP.
The information was reportedly provided by the UN's threat assessment consultants. It allegedly says the group has "priority lists" of individuals it wants to arrest.
Most at risk are people who had central roles in the Afghan military, police and intelligence units, according to the document.
The Taliban have been conducting "targeted door-to-door visits" of people they want to apprehend and their family members, the report says.
The comes after DW reported that Taliban fighters hunting a DW journalist have shot dead one member of his family and seriously injured another.