Police visited a warehouse in Budapest where the zombie film was housing weapons used in the forthcoming film, People reports.
"The 85 weapons were seized in Budapest at a warehouse because they were not fully inoperable as they were supposed to be," Hungarian officials told the website.
In addition, the police described the collection as "a disaster waiting to happen," according to X17.
Meanwhile, a spokesperson for World War Z said that production staff are currently attempting to resolve the issue.
"We are working with the authorities to resolve the matter and have no further comment at this time," the publicist said.
In August, Pitt reportedly rescued an extra from being trampled on while filming World War Z in Glasgow.
The 47-year-old brought his two sons Maddox and Pax to the set of World War Z in July.