Liverpool, Real Madrid, Barcelona and Paris Saint-Germain have all been identified as potential destinations for the in-form defender.
The 28-year-old has been one of Bayern's standout performers in recent weeks, underlining his quality once again during Tuesday's 2-0 victory over Atletico Madrid.
Upamecano has developed into a central figure under Vincent Kompany, with his defensive performances complemented by an increasing threat at the other end of the pitch.
Bayern Munich secured his future in February by extending his contract until June 2030, but the agreement is reportedly understood to include a release clause that becomes active next summer.
The figure is believed to be around €65 million, although neither the club nor the player has officially confirmed the details.
Given Upamecano's current form, that fee could represent an attractive opportunity for clubs seeking an established centre-back who still has several years at the highest level ahead of him.
Liverpool are among the clubs potentially in the market for defensive reinforcements, with the long-term succession planning around Virgil van Dijk becoming increasingly relevant as the Dutchman approaches the latter stages of his career.
Real Madrid and Barcelona are also looking to strengthen at centre-back, while Paris Saint-Germain have reportedly monitored Upamecano's situation for some time.
At PSG, the France international could eventually be viewed as a successor to Marquinhos, who has been a key figure in the club's recent European success.
Bayern, however, have plenty of reasons to believe Upamecano will remain in Munich. Kompany has helped establish a team competing for major honours, with the German champions enjoying a strong domestic campaign and continuing to challenge in Europe.
The defender's own contract extension was a clear commitment to the project, and Bayern will hope their progress under Kompany provides further incentive to stay.
Nevertheless, the reported release clause leaves the club with limited control if an interested side is prepared to meet the figure. Ultimately, Upamecano would have the final say over whether to consider a move away from Munich.