Despite a two-metre high security wall surrounding the Stade de France and triple security checks, supporters smuggled flares into the venue.
"The security fell short on a number of points which we will address. The checks were not carried out as they needed to be," said a local politician.
Zlatan Ibrahimovic signed off his record-breaking spell at PSG with two goals and an assist in the 4-2 Coupe de France victory over Marseille.
Zlatan Ibrahimovic's PSG farewell was a memorable one as he bagged a brace in a Coupe de France triumph, earning a 9/10 in Jon Johnson's ratings.
Zlatan Ibrahimovic will bid adieu to Paris Saint-Germain after Saturday's Coupe de France final vs. Marseille. Will it be a fond farewell?
ESPN FC's Tommy Smyth reveals his picks for the cup finals being played across Europe at the weekend.