CVE-2026-21721

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

27/01/2026

Last modified:

20/04/2026

Description

The dashboard permissions API does not verify the target dashboard scope and only checks the dashboards.permissions:* action. As a result, a user who has permission management rights on one dashboard can read and modify permissions on other dashboards. This is an organization‑internal privilege escalation.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N CVSS v3.1 Severity and Metrics:

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): None

Base Score 3.x

8.10

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:grafana:grafana::::::::	10.2.0 (including)	11.6.9 (excluding)
cpe:2.3:a:grafana:grafana::::::::	12.0.0 (including)	12.0.8 (excluding)
cpe:2.3:a:grafana:grafana::::::::	12.1.0 (including)	12.1.5 (excluding)
cpe:2.3:a:grafana:grafana::::::::	12.2.0 (including)	12.2.3 (excluding)
cpe:2.3:a:grafana:grafana:11.6.9:-::::::
cpe:2.3:a:grafana:grafana:12.0.8:-::::::
cpe:2.3:a:grafana:grafana:12.1.5:-::::::
cpe:2.3:a:grafana:grafana:12.2.3:-::::::
cpe:2.3:a:grafana:grafana:12.3.0:::::::*
cpe:2.3:a:grafana:grafana:12.3.1:-::::::

To consult the complete list of CPE names with products and versions, see this page

References to Advisories, Solutions, and Tools

https://grafana.com/security/security-advisories/cve-2026-21721