The 26-year-old right-back picked up a hamstring injury during Tuesday's goalless draw with Ghana, leaving his availability for their final group game at New York New Jersey Stadium on Saturday unclear.
James has been a key figure under manager Thomas Tuchel and has started both of England's World Cup matches so far.
England top Group L on goal difference over Ghana and lead Croatia, whom they beat 4-2 in their opening game, by a point. Panama are last in the group on zero points.
FIFA World Cup 2026
The 2026 World Cup is taking place from June 11th to July 19th in the United States, Canada and Mexico. The tournament features 48 national teams and is played at 16 modern stadiums.
Match schedule and times | Group tables | How to watch the World Cup | World Cup Format | Past winners of the World Cup