An access control vulnerability was discovered in Grafana...
Moderate severity
Unreviewed
Published
May 23, 2025
to the GitHub Advisory Database
•
Updated May 23, 2025
Description
Published by the National Vulnerability Database
May 23, 2025
Published to the GitHub Advisory Database
May 23, 2025
Last updated
May 23, 2025
An access control vulnerability was discovered in Grafana OSS where an Organization administrator could permanently delete the Server administrator account. This vulnerability exists in the DELETE /api/org/users/ endpoint.
The vulnerability can be exploited when:
An Organization administrator exists
The Server administrator is either:
Impact:
Organization administrators can permanently delete Server administrator accounts
If the only Server administrator is deleted, the Grafana instance becomes unmanageable
No super-user permissions remain in the system
Affects all users, organizations, and teams managed in the instance
The vulnerability is particularly serious as it can lead to a complete loss of administrative control over the Grafana instance.
References