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: 1. An Organization administrator exists 2. The Server administrator is either: - Not part of any organization, or - Part of the same organization as the Organization administrator 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.
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History
Thu, 15 Jan 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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: 1. An Organization administrator exists 2. The Server administrator is either: - Not part of any organization, or - Part of the same organization as the Organization administrator 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. | |
| Weaknesses | CWE-284 | |
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cvssV3_1
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Status: PUBLISHED
Assigner: SICK AG
Published:
Updated: 2026-01-15T15:22:20.279Z
Reserved: 2026-01-08T09:59:06.198Z
Link: CVE-2026-22640
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Status : Received
Published: 2026-01-15T14:16:27.607
Modified: 2026-01-15T14:16:27.607
Link: CVE-2026-22640
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OpenCVE Enrichment
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