GO-2026-5801 Incus has an arbitrary file write on host via `exec-output` symlink in crafted image in github.com/lxc/incus

Incus has an arbitrary file write on host via exec-output symlink in crafted image in github.com/lxc/incus...

Incus has an arbitrary file write on host via `exec-output` symlink in crafted image

Summary The record-output parameter of the /instances/$name/exec endpoint stores the output of the command in the exec-output directory of the instance. If exec-output is a symlink, file named execUUID.stdout and execUUID.stderr can be written to an arbitrary location where the .stdout file will...