CVE-2026-48756 Incus: CreateCustomVolumeFromBackup nil-pointer dereference on volume_snapshots[*].expires_at (sibling-field variant of GHSA-r7w7)

Incus is a system container and virtual machine manager. Prior to version 7.1.0, backend.CreateCustomVolumeFromBackup in internal/server/storage/backend.go contains an unguarded time.Time dereference on the ExpiresAt field of every volume-snapshot entry in an imported custom-volume backup. An...