Hubulov was an active participant in the 1991–1992 South Ossetia War, leading and coordinating various resistance groups against the Georgian invasion. After the war, he participated in the signing of the Sochi agreement. He also fought in the War in Abkhazia (1992–1993), leading a South Ossetian unit fighting on the Abkhazian side, for which he was awarded the Order of Leon by president Vladislav Ardzinba.