The 7th International Conference on Cloud and Big Data (CLBD 2026) serves as a premier global forum for presenting innovative ideas, advanced research results, practical developments, and emerging trends in the rapidly evolving fields of Cloud Computing and Big Data Systems. As cloud platforms, large scale data infrastructures, and AI driven analytics continue to reshape modern computing, CLBD 2026 provides a vital venue for researchers, practitioners, engineers, and industry experts to exchange knowledge, discuss challenges, and explore breakthroughs that define the next generation of intelligent, scalable, and resilient data centric systems.