Path Traversal in Moby Buildkit

CVE-2026-15791

A crafted message in the BuildKit low-level build API can be used to remove the contents of the /tmp directory. The action that can normally be used to delete files inside the build container rootfs can escape into the real host temp direc…

Vulnerability class: Path Traversal (Directory Traversal)

Affected products

Weakness classification (CWE)

References