Docker Runtime Escape: Why Mounting docker.sock Is Worse Than Running Privileged Containers

Most DevOps engineers know that running containers with the privileged flag is dangerous. It's one of those things we all learn early on - never use privileged mode in production unless you absolutely have to. Security teams flag it, auditors complain about it, and for good reason.

But here's what scared me recently: there's something much worse that's being mounted into production containers every single day, and most teams don't realize the risk. I'm talking about mounting the Docker socket into containers.