Is wall glitching still a thing?

Hello @Tils0n, thank you for reaching out!

There has been a fix for an exploit which allowed looting corpses through walls, as stated in previous patch notes:

In order to determine what could occurred, we’ll need more information regarding your bug submission, such as the type of server you’re playing on, whether you’re in a clan, more information regarding your base and so on. Please refer to the thread below: