On 17 January 2019, Kabak moved to Bundesliga side VfB Stuttgart where he signed a contract until June 2024.[4] On 3 March, he scored twice in a 5-1 win over Hannover 96, registering his first senior career goals.[5] In doing so, at the age of 18 years, 11 months and 7 days, he became the youngest Turkish, and third-youngest Stuttgart player to ever score twice in a single Bundesliga match.[6]