The hideout belong to Maulvi Abdullah, one of the Haqqani network commanders, the statement by National Directorate of Security (NDS) said Thursday.
According to the statement, the hideout contained a rocket launcher and its two rounds, two kalashnikovs, a pistol, and two bags of explosive materials.
NDS says that terrorists were planning to use these weapons, in order to carry out suicide attacks and bombings on the outskirts of Pul-Alam, the provincial capital.
This comes earlier this month the supplier of weapons and ammunition had been arrested in Logar province.