The US rapper - who is behind bars serving a 50-month sentence after being convicted of two counts of transportation to engage in prostitution - reportedly clashed with another inmate inside FCI Fort Dix in New Jersey earlier this week after he was criticised by his rival.
Sources told TMZ the two men got into a scuffle and started pushing one another and throwing punches, with Diddy having "held his own" against the unidentified inmate.
Prison staff quickly intervened to separate the men and the I'll Be Missing You hitmaker was immediately put in isolation although it is unclear if he is still in solitary confinement.
However, he could face more long term consequences over the alleged fight as his current release date of February 2028 hinges on him receiving credits for good behaviour.
A representative for the prison told the outlet: "We are not at liberty to disclose or provide internal information pertaining to any inmate in our custody. Such information would not be available for the public domain."
The US Federal Bureau of Prisons also declined to comment because they do not issue statements on "disciplinary matters, or other information regarding individual inmates due to privacy, safety, and security concerns".
It was revealed last month that Combs' release date had been moved to February 2028, having initially being slated for June 4, 2028 and then moved to 25 April, 2028.
The rapper's eight-week trial last year resulted in acquittals on charges of sex trafficking and racketeering but he was convicted on prostitution-related offences.
A representative for the former star previously insisted Combs is using his time behind bars to take his sobriety "seriously".
The spokesperson dismissed claims Combs had been caught drinking homemade alcohol during his time in prison, insisting his client is focusing on remaining clean and sober.
Combs was transferred from Metropolitan Detention Center in Brooklyn, New York City to FCI Fort Dix in New Jersey on October 30.
FCI Fort Dix is a low security facility and his legal team had requested he be moved to the facility in New Jersey because of its access to drug rehabilitation schemes.
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