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9.9 Critique

CVE-2026-63343 Incus is a system container and virtual machine manager

Description

Incus is a system container and virtual machine manager. Prior to version 7.3.0, a malicious image containing a `metadata.yaml` symlink pointing to an arbitrary host path allows an authenticated Incus user to read or overwrite any file on the host as root via the instance metadata API. The `exec-output` and `templates/` paths were patched in a prior release using `Lstat` rejection and `os.OpenRoot` confinement; `metadata.yaml` was not included in either patch and remains exploitable. Version 7.3.0 patches the issue.

Produits et versions touchés

Produit Versions touchées Corrigé en
incus 7.3 premières → < 7.3.0 7.3.0

Références

Chronologie

  1. Publiée
  2. Dernière modification

Autres CVE de incus

Les 47 CVE de incus →
CVE-2026-115378 Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 contains an arbitrary file write vulnerability in… 6.9 Moyenne CVE-2026-115377 Incus before 6.0.7, 6.1.0 before 7.0.2, and 7.1.0 before 7.5.0 contains an arbitrary file write vulnerability that… 9.4 Critique CVE-2026-115376 Incus 7.0.1 before 7.0.2 and 7.2.0 before 7.5.0 contains an authorization bypass vulnerability that allows… 8.3 Élevée CVE-2026-115375 Incus 7.0.0 before 7.0.2 and 7.1.0 before 7.5.0 Path Traversal via Instance Backup Dependent Volumes 9.4 Critique
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