CVE-2026-55621
High
Description
Incus is a system container and virtual machine manager. Prior to version 7.2.0, missing authorization checks exist for custom volume copying where an attacker knowing the name of a project that they don't have access to and the name of a custom volume in that project can copy the custom volume to a new project. This issue could allow an attacker to access secrets in custom volumes they are not authorized to access. Version 7.2.0 patches the issue.
SeverityHigh
CVSS7.7
Exploit probability—
ProductGithub.com/lxc/incus/v7
PublishedAug 21, 2026
First seenAug 21, 2026
Weakness typeCWE-284Improper access control
How to fix
Update
- github.com/lxc/incus/v77.2.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| github.com/lxc/incus/v7Go | v < 7.2.0 | 7.2.0 |
| github.com/lxc/incus/v6Go | v ≤ 6.23.0, No range specified | — |
| github.com/lxc/incusGo | v ≤ 0.7.0, No range specified | — |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.