Link Following Affecting incus package, versions <7.0.1-2


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.42% (35th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-INCUS-18489112
  • published1 Aug 2026
  • disclosed21 Aug 2026

Introduced: 1 Aug 2026

NewCVE-2026-63125  (opens in a new tab)
CWE-59  (opens in a new tab)
CWE-61  (opens in a new tab)

How to fix?

Upgrade Debian:unstable incus to version 7.0.1-2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream incus package and not the incus package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

Incus is a system container and virtual machine manager. Prior to version 7.3.0, an unprivileged, project-confined Incus user (a non-admin TLS/RBAC identity with can_create_images and can_create_instances) can execute arbitrary code as root on the host. A crafted image ships backup.yaml as a symlink to a host file. When the root daemon writes the instance's backup file, it follows the symlink. Version 7.3.0 patches the issue.