One of the most coveted destinations in Fortnite Chapter 2 are the vaults, which are locked rooms full of loot crates and high-tier weapons. There are only a few of these vaults and they can only be opened with a key card being held by a boss NPC that must first be eliminated. The time it takes to get into the vault makes it a gamble, but a new key-skipping bug has changed this in a big way.

The new bug was discovered (or, at least, first detailed by) YouTuber Glitch King, who has shared a video demonstrating how to pull off the exploit. With this method — which requires a bit of prep — players can enter any game vault without the key card, but you’ll need an upgrade bench and Choppa.
…
Read full post here:
https://www.slashgear.com/fortnite-bug-lets-players-open-weapon-vaults-without-key-cards-14629058/