Officials at the Wambali Stadium said they were investigating the allegations that hundreds of Oasis fans were capable of entering a gig at the venue without a ticket.
Mankunian Rockers recently played a series of dates there as part of their live 25 tour.
As The Sun200 people were asked for £ 350, each secretly performed in one of the gigs via a disabled entrance.
Two concerts reported that a large group was capable of using a copy of the same ticket to visit the stadium, where they were then assigned a restband that gave them access to the VIP area in front of the stage.
He said that two women who had allegedly orchestor the scam told them that they had “10 groups 20” waiting for them.
One of the concerts told The Sun: “We were given our tickets, which were all the same, and a woman pulled a shape on our hands.
“We were asked to go to the handicapped door at the entrance, even though our tickets said that entry F.
“We showed the hand to the person at the door, they scanned the tickets, even if we all had one, and let us go inside.
“Another member of the employees handed us a Golden Circle Restband and that was this. We had discovered zero security. We went directly inside.”
A spokesman at the Wambali Stadium said in a statement: “Entering the Wambali Stadium without tickets is a serious offense and we are investigating these allegations.
“If they are confirmed, we will refer to our evidence to the police.”
Oasis’ Run of Concerts in Wambli between July 25 and August 3 first appeared together on the stage at London site at London site from 12 July 2009, when they performed during Dig Out Your Sol Tour.
The bands are playing at the Murfield Stadium in Edinburgh later this week, followed by Dublin’s Croke Park.
The group will go to Japan in Japan, South Korea, South America, Australia and North America later in the year.
Oasis announced his reunioning tour in August last year, 16 years after her dramatic division in 2009, in which Noel left after a backstage dispute at the Rock An Scene Festival in Paris.