🛡️ CVE-2026-23954
🟠 CVSS 8.7 — High ✅ No Known Exploit NVD
8.7
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Incus is a system container and virtual machine manager. Versions 6.21.0 and below allow a user with the ability to launch a container with a custom image (e.g a member of the ‘incus’ group) to use directory traversal or symbolic links in the templating functionality to achieve host arbitrary file read, and host arbitrary file write. This ultimately results in arbitrary command execution on the host. When using an image with a metadata.yaml containing templates, both the source and target paths are not checked for symbolic links or directory traversal. This can also be exploited in IncusOS. A fix is planned for versions 6.0.6 and 6.21.0, but they have not been released at the time of publication.

Details

Severity High
CVSS Score 8.7
CVSS Vector CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
CWE N/A
Public Exploit ✅ No
Source NVD
Published 2026-02-05
Updated 2026-06-02
Modified 2026-02-05

Affected Packages

Software From version Fixed in
github.com/lxc/incus — —
github.com/lxc/incus/v6 — —
github.com/lxc/incus/v6/cmd/incusd — —
incus 6.1.0 6.21.0

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