Carly Rae Jepsen -- REAL Nude Photos Exist ... Cops Investigating Carly Rae Jepsen REAL NAKED Pics Exist ... Cops Investigating EXCLUSIVE 7/25/2012 12:50 AM PT

Carly Rae Jepsen has told police ... she's the latest victim of a perverted hacker -- who stole XXX photos of the singer from her computer and tried to sell them to various media outlets.

No, we're not talking about the FAKE Jepsen pics floating around the Internet ... sources tell us the photos in question are the real deal and have not seen the light of day ... and the Canadian-born singer is desperately trying to keep it that way.

Law enforcement sources tell TMZ ... Jepsen's camp received an anonymous tip about the pics back in March ... and immediately called the Vancouver Police Department to report the cyber crime.

Cops jumped on the case ... and confirmed the tip was legit, Jepsen HAD been hacked.

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A rep for the Vancouver PD tells us an active investigation is underway "in regards to a theft of electronic property belonging to Jepsen."

In fact, we're told cops already have a potential suspect lined up.

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Sources tell us ... whoever hacked the pics stands to face some serious charges, including criminal harassment and unauthorized access of a computer ... and could spend some serious time in prison.