Incus is a system container and virtual machine manager. In versions before 7.0.0, missing validation logic in the storage bucket import logic allows an authenticated user with access to the storage bucket feature to cause the Incus daemon to crash. The vulnerability is present in the backup metadata handling logic, where the daemon processes the index.yaml file from an imported archive and accesses members of the parsed backup configuration without first verifying that the configuration object was initialized. A malicious or malformed index.yaml that omits the config block causes a nil-pointer dereference during bucket import operations and terminates the daemon. Repeated use of this issue can be used to keep Incus offline, causing a denial of service. This issue is fixed in version 7.0.0.
Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-6244-1 | incus security update |
Github GHSA |
GHSA-gc7j-g665-rxr9 | Incus has a Nil-Pointer Dereference Panic via Bucket Metadata |
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Wed, 06 May 2026 23:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Lxc
Lxc incus |
|
| Vendors & Products |
Lxc
Lxc incus |
Wed, 06 May 2026 21:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Incus is a system container and virtual machine manager. In versions before 7.0.0, missing validation logic in the storage bucket import logic allows an authenticated user with access to the storage bucket feature to cause the Incus daemon to crash. The vulnerability is present in the backup metadata handling logic, where the daemon processes the index.yaml file from an imported archive and accesses members of the parsed backup configuration without first verifying that the configuration object was initialized. A malicious or malformed index.yaml that omits the config block causes a nil-pointer dereference during bucket import operations and terminates the daemon. Repeated use of this issue can be used to keep Incus offline, causing a denial of service. This issue is fixed in version 7.0.0. | |
| Title | Incus nil-pointer dereference in storage bucket import allows denial of service | |
| Weaknesses | CWE-476 | |
| References |
| |
| Metrics |
cvssV4_0
|
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-05-06T20:33:34.084Z
Reserved: 2026-04-09T20:59:17.620Z
Link: CVE-2026-40195
No data.
Status : Awaiting Analysis
Published: 2026-05-06T21:16:00.793
Modified: 2026-05-06T21:22:12.560
Link: CVE-2026-40195
No data.
OpenCVE Enrichment
Updated: 2026-05-06T23:00:14Z
Weaknesses
Debian DSA
Github GHSA