| 2026-09-07 | J. Iliev | CSKA Sofia → Lokomotiv Plovdiv | Loan |
| 2026-09-07 | B. Cotter | Derry City → CSKA Sofia | Transfer |
| 2026-09-01 | A. Piedrahita | CSKA Sofia → Toronto FC | Loan |
| 2026-09-01 | Dinis Almeida | Ludogorets → CSKA Sofia | Free agent |
| 2026-08-19 | A. Buchkov | CSKA Sofia → Botev Vratsa | Transfer |
| 2026-08-18 | I. Tasev | CSKA Sofia → Cherno More Varna | Transfer |
| 2026-08-17 | Adrián Lapeña | CSKA Sofia → AD Ceuta FC | Free agent |
| 2026-08-13 | K. Dodaj | CSKA Sofia → Lechia Gdansk | Loan |
| 2026-08-13 | C. Itu | Lokomotiv Plovdiv → CSKA Sofia | Transfer |
| 2026-08-10 | Z. Bytyqi | CSKA Sofia → Kristiansund BK | Free agent |
| 2026-07-27 | M. Phaëton | CSKA Sofia → Home United | Transfer |
| 2026-07-15 | O. Skarsem | CSKA Sofia → Sarpsborg 08 FF | Free agent |
| 2026-07-14 | D. Nikolov | CSKA Sofia II → CSKA Sofia | Free agent |
| 2026-07-09 | L. Dellova | CSKA Sofia → Amed | Transfer |
| 2026-07-04 | J. Gbamin | Metz → CSKA Sofia | Free agent |
| 2026-07-02 | S. Sanyang | CSKA Sofia → Botev Vratsa | Loan |
| 2026-07-02 | Tamimou Ouorou | Botev Vratsa → CSKA Sofia | Loan |
| 2026-06-30 | I. Iliev | CSKA Sofia → İstanbulspor | Free agent |
| 2026-06-30 | M. Papazov | CSKA Sofia → Lokomotiv Sofia | Free agent |
| 2026-06-30 | S. Sensi | Anorthosis → CSKA Sofia | - |
| 2026-06-30 | J. Zwarts | Lokomotiv Plovdiv → CSKA Sofia | - |
| 2026-06-30 | I. Antonov | CSKA Sofia → Slavia Sofia | Free agent |
| 2026-06-29 | M. Stoychev | Botev Vratsa → CSKA Sofia | Return from loan |
| 2026-06-29 | M. Phaëton | FC Zurich → CSKA Sofia | Return from loan |
| 2026-06-29 | O. Skarsem | CSKA Sofia → Skarsem Olaus | Free agent |
| 2026-06-29 | O. Skarsem | CSKA Sofia → Sarpsborg 08 FF | Free agent |
| 2026-06-29 | M. Papazov | CSKA Sofia → Papazov Mark-Emilio | Free agent |
| 2026-06-29 | K. Dodaj | Vllaznia Shkodër → CSKA Sofia | Return from loan |
| 2026-06-29 | S. Sanyang | Botev Vratsa → CSKA Sofia | Return from loan |
| 2026-06-29 | P. Petrov | Etar Veliko Tarnovo → CSKA Sofia | Free agent |
| 2026-06-29 | G. Chorbadzhiyski | Lokomotiv Plovdiv → CSKA Sofia | Return from loan |
| 2026-06-21 | I. Turitsov | CSKA Sofia → Dinamo Batumi | Free agent |
| 2026-05-30 | S. Sensi | Anorthosis → CSKA Sofia | - |
| 2026-05-11 | V. Kaymakanov | CSKA Sofia → CSKA Sofia | Raise |
| 2026-03-08 | Busatto | CSKA Sofia → Caxias | Free agent |
| 2026-02-23 | G. Chorbadzhiyski | CSKA Sofia → Lokomotiv Plovdiv | Loan |
| 2026-02-22 | D. Seger | CSKA Sofia → BK Hacken | Free agent |
| 2026-02-22 | Facundo Santiago Rodríguez | Estudiantes L.P. → CSKA Sofia | Loan |
| 2026-02-17 | Mica Pinto | CSKA Sofia → Dordrecht | Free agent |
| 2026-01-29 | K. Dodaj | CSKA Sofia → Vllaznia Shkodër | Loan |
| 2026-01-19 | B. Córdoba | CSKA Sofia → Cucuta | Transfer |
| 2026-01-18 | T. Vion | CSKA Sofia → Progres Niederkorn | Free agent |
| 2026-01-15 | M. Orlinov | CSKA Sofia → Botev Vratsa | Free agent |
| 2026-01-11 | Nasko Nikolaev Tsekov | CSKA Sofia → Pirin Blagoevgrad | Free agent |
| 2026-01-10 | Busatto | CSKA Sofia → Busatto Gustavo | Free agent |
| 2026-01-10 | Busatto | CSKA Sofia → Caxias | Free agent |
| 2026-01-09 | D. Evtimov | Botev Vratsa → CSKA Sofia | Transfer |
| 2026-01-08 | B. Córdoba | CSKA Sofia → Cordoba Brayan | Free agent |
| 2026-01-06 | M. Stoychev | CSKA Sofia → Botev Vratsa | Loan |
| 2026-01-06 | S. Sanyang | CSKA Sofia → Botev Vratsa | Loan |
| 2026-01-05 | A. Yordanov | Botev Plovdiv → CSKA Sofia | Transfer |
| 2026-01-05 | I. Solet Bomawoko | Slavia Sofia → CSKA Sofia | Transfer |
| 2026-01-04 | Léo Pereira | CRB → CSKA Sofia | Transfer |
| 2026-01-01 | A. Leya | CSKA Sofia → OFI | Free agent |