CVEvulnerability

CVE-2026-63125

9.9 CRITICAL Published 2026-08-21 Modified 2026-10-15 Official page ↗
Status
Deferred
Published
2026-08-21
Last modified
2026-10-15
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.9 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weaknesses
CWE-59, CWE-61

Description

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.

Related

Weakness · CWE (2)

  • CWE-59 Improper Link Resolution Before File Access weakness
  • CWE-61 UNIX Symbolic Link (Symlink) Following weakness

References