The German side are said to be interested in loan moves for both players.
However, English publication 'The Daily Mail' reports that Liverpool are likely to turn the offers down, with 'Reds' boss Jurgen Klopp keen for the pair to get first team experience closer to home.
There has been no shortage of domestic interest in Kent, with Championship sides Leeds, Aston Villa and Middlesbrough all interested in taking the player on loan.
Kent spent last season on loan with Barnsley in the Championship and performed admirably in a young and inexperienced side.
Woodburn meanwhile became Liverpool's youngest ever scorer last season when he netted against Leeds United in the EFL Cup quarter.final at the age of 17 years and 45 days.
The Welshman has impressed again during pre-season, scoring in Liverpool latest outing against Basque outfit Atheltic Bilbao.