On June 10, 2026, a regular meeting of the CSTO Council of Foreign Ministers was held in Kazan (Russian Federation) under the chairmanship of the Russian side, with the participation of CSTO Secretary General Talatbek Masadykov. CIS Deputy Secretary General Denis Trefilov and SCO Deputy Secretary General Oleg Kopylov were also invited to attend the meeting.
On June 9, 2026, a delegation of the Secretariat of the Collective Security Treaty Organization, headed by CSTO Deputy Secretary General Valery Semerikov, took part in the 19th Meeting of Heads of Lead Counter-Terrorism Units of the Competent Authorities of the CIS Member States and Heads of National Structures Responsible for Coordinating Counter-Terrorism and Counter-Extremism Activities. The event was organized by the Anti-Terrorism Center of the CIS Member States.
A working meeting between CSTO Secretary General Talatbek Masadykov and Director of the Institute of China and Contemporary Asia of the Russian Academy of Sciences Kirill Babaev was held at the Secretariat of the Collective Security Treaty Organization.
From June 2 to 4, the Republic of Belarus hosted the second staff talks on the organization and conduct of the CSTO Peacekeeping Forces command-and-staff exercise “Indestructible Brotherhood 2026” and the special exercise “Barrier 2026” involving the CSTO Joint CBRN Protection and Medical Support Formation.
A working meeting with participants in a meeting of chairmen of committees (commissions) of the parliaments of CSTO member states with jurisdiction over international relations, defense and security issues was held at the CSTO Joint Staff
On 7 February, participants in a meeting of the chairmen of the committees (commissions) of the parliaments of the CSTO member states, with jurisdiction over international relations, defense and security issues visited the CSTO Joint Staff.
Colonel General Andrei Serdyukov, Chief of the CSTO Joint Staff, briefed the participants in the meeting on the activities of the Organization's Crisis Response Centre and the structural subunits of the Joint Staff. The delegation was informed of the main conclusions from the assessment of the politico-military situation in the collective security regions, the improvement of crisis response mechanisms and the main tasks of the Joint Staff for 2024.
The participants of the working meeting have discussed topical issues of improving the system of collective security, the implementation of priority areas of the CSTO for the period of the presidency of the Republic of Kazakhstan in the Organization in 2024 and cooperation in the development of documents and joint activities.
Following the working meeting, Colonel General Andrei Serdyukov noted in particular that "the Joint Staff considers it important to continue to maintain close cooperation with the structures of the CSTO Parliamentary Assembly in order to successfully resolve the tasks".