CVE-2026-9639
6.5
MEDIUM
CVSS 3.1
EPSS 0.39%
Description
Nil-pointer dereference in CreateCustomVolumeFromBackup in LXD up to version 6.8 and 5.21 on Linux allows an authenticated user with can_create_storage_volumes permissions to cause a denial of service via a specially crafted custom-volume backup tarball that omits the expires_at snapshot field.
How to fix CVE-2026-9639
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/lxd—no fix listed
Is CVE-2026-9639 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |