In the title compound, C(9)H(11)BrN(2)O(5), the ribofuran-ose ring has a C2-exo, C3-endo twist configuration and is attached to the uracil unit via a β-N(1)-glycosidic bond. The crystal structure is stabilized by two inter-molecular O-H⋯O inter-actions and one inter-molecular N-H⋯O inter-action.