CVE-2026-55622 Incus has a project restriction bypass in instance copy across projects
Attackers can bypass project restrictions to copy instances from unauthorized projects, potentially exposing secrets.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-55622?
CVE-2026-55622 is a high-severity missing authorization vulnerability in lxc incus, published on 21 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Incus is a system container and virtual machine manager. Prior to version 7.2.0, missing authorization checks exist for instance copying where an attacker knowing the name of a project that they don't have access to and the name of an instance in that project can copy the instance to a new project. This issue could allow an attacker to access secrets in instances they are not authorized to access. Version 7.2.0 patches the issue.
Weakness: CWE-284
Which versions are affected by CVE-2026-55622?
5 open source packages ship an affected version, including github.com/lxc/incus/v7/cmd/incusd, github.com/lxc/incus and github.com/lxc/incus/v6.
| Package | Affected | Fixed in |
|---|---|---|
github.com/lxc/incus/v7/cmd/incusd Go | All versions | 7.2.0 |
github.com/lxc/incus/v7/cmd/incusd Go | All versions | 7.2.0 |
github.com/lxc/incus Go | All versions | None |
github.com/lxc/incus/v6 Go | All versions | None |
github.com/lxc/incus/v7 Go | All versions | 7.2.0 |
How do I fix CVE-2026-55622?
Upgrade github.com/lxc/incus/v7/cmd/incusd to 7.2.0 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-55622 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-55622 exists.
Sources
Also known as DEBIAN-CVE-2026-55622, GHSA-c9f5-j9c3-mhrg, GO-2026-6319, UBUNTU-CVE-2026-55622.