CVE-2026-80183 Information disclosure in Keystone
Authenticated users can list all project-scoped role assignments across domains, exposing sensitive user, group, and project metadata.
- 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-2026-80183?
CVE-2026-80183 is a high-severity vulnerability in OpenStack Keystone, published on 26 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In OpenStack Keystone before 29.0.3, any authenticated user holding role:reader on any project can list every project-scoped role assignment under any domain by passing a domain ID as scope.project.id with include_subtree to the GET /v3/role_assignments endpoint. The domain's project record has domain_id=null, causing the policy domain_id check to pass for any caller. With include_names, the response discloses the names and home-domain IDs of every user, group, project, and role involved. The literal "default" domain ID works against any deployment created with keystone-manage bootstrap. An attacker can harvest domain IDs from the response and repeat the query to map role assignments across the entire cloud. This is caused by misuse of "None" in
list_role_assignments_for_tree.
Weakness: CWE-843
Which versions are affected by CVE-2026-80183?
How do I fix CVE-2026-80183?
Upgrade to a fixed version.
Is CVE-2026-80183 being exploited?
There is no known exploitation of CVE-2026-80183 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-80183, GHSA-xmh6-7768-658c, UBUNTU-CVE-2026-80183.