The Hacker News AI Security · September 17, 2026

Docker Sandboxes fixes host-file and socket boundary escapes

Why it matters

Docker documents two Sandboxes flaws fixed in 0.42.0: a macOS shared-filesystem path issue exposing host files, and a socket-relay race that could reach host sockets outside the workspace. Both require malicious code running inside an affected guest.

My takeaway: Update affected Sandboxes installations and review shared host resources. If an update is delayed, Docker recommends clone mode without added read-write host mounts; test filesystem and socket boundaries independently.
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