SCA: security update for github.com/lxc/incus/v6/cmd/incusd (GHSA-gc7j-g665-rxr9)

high Tenable Cloud Security Plugin ID 441064

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2026-40195)

Solution

Update the github.com/lxc/incus/v6/cmd/incusd library and its related packages to version 7.0.0 or later.

See Also

https://github.com/advisories/GHSA-gc7j-g665-rxr9

Plugin Details

Severity: High

ID: 441064

Version: Revision 1.8

Type: Local

Family: SCA Checks

Published: 5/4/2026

Updated: 7/6/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.14

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2026-40195

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 7.1

Threat Score: 7.1

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/4/2026

Vulnerability Publication Date: 5/4/2026

Reference Information

CVE: CVE-2026-40195

cwe: CWE-476