Security · High impactFan score 42 · Tier B
LXD has restricted project bypass leading to arbitrary command execution
The Brief
- The GitHub Advisory Database published an advisory on 2026-11-06 for a restricted project bypass in LXD.
- Instance snapshots ignore the restricted.containers.lowlevel=block setting.
- The flaw allows arbitrary command execution on the Incus server.
Why it matters
Operators who rely on restricted projects to limit low-level container settings may be exposed to command execution on their host server.
Who’s affected
- Operators running LXD (github.com/canonical/lxd)
- Teams running Incus with restricted projects
Affects github.com/canonical/lxd. Reported from https://github.com/lxc/incus/security/advisories/GHSA-48q5-w887-33wv Summary Instance snapshots ignore the restricted.containers.lowlevel=block setting; allowing for arbitrary command execution on the Incus server by abusing…