On 8 April 2026, CSTO Deputy Secretary General Valery Semerikov took part in the 9th Regional Meeting of Heads of Border Agencies of the CIS member states, held in the city of Guliston (Republic of Tajikistan).

From 7 to 9 April, the first staff talks on the organization and conduct of joint exercises with the CSTO Troops (Collective Forces) in 2026 were held at the CSTO Joint Staff.

On 8 April 2026, on the sidelines of the 9th Regional Meeting of Heads of Border Agencies of the CIS member states, a working meeting was held between CSTO Deputy Secretary General Valery Semerikov and First Deputy Chairman – Commander of the Border Troops of the State Committee for National Security of the Republic of Tajikistan Murodali Rajabzoda.

On 9 April 2026, a meeting was held in Dushanbe between CSTO Secretary General Talatbek Masadykov and Minister of Defense of Tajikistan Emomali Sobirzoda.

On 9 April 2026, a meeting was held in Dushanbe between CSTO Secretary General Talatbek Masadykov and Secretary of the Security Council of Tajikistan Rahmon Yusuf Ahmadzoda.