CVE-2026-40195

incus: Incus is a system container and virtual machine manager

CVE-2026-40195 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-40195, released May 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
6.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0040
34th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
govulncheck-vulndb · opensuse-leap 16.0 0.0.20260723T184607-160000.1.1 OPENSUSE-SU-2026:21483-1 Jul 30, 2026
incus · Debian 13.5 (trixie) 6.0.4-2+deb13u7 DEBIAN-CVE-2026-40195 May 15, 2026
incus · Debian 14 7.0.0-1 DEBIAN-CVE-2026-40195 May 15, 2026

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