In March Voss competed at both the Stuttgart and Birmingham World Cups where she placed fifth and eighth respectively. In June Voss competed at the German European Championships trials where she placed second in the all-around behind Pauline Schäfer and was named to the team to compete at the European Championships alongside Schäfer, Kim Bui, Leah Griesser, and Emma Höfele. Prior to Euros the team competed at the Sainté Gym Cup, a friendly meet in France, where they placed second behind France but ahead of Switzerland. At the European Championships Voss helped Germany finish ninth in qualifications but they did not advance to the team final. Individually Voss qualified to the vault final and finished fourth overall behind Boglárka Dévai, Angelina Melnikova, and Denisa Golgotă. In September Voss competed at the German World Trials where she placed third behind Bui and Carina Kröll. Later that month she competed at the German National Championships where she placed sixth in the all-around but won gold on vault and balance beam. In October Voss competed at the 2018 World Championships in Doha alongside Elisabeth Seitz, Bui, Sophie Scheder, and Griesser. As a team they finished eighth in the team final.