CVE-2026-21721 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Grafana	Grafana Grafana Enterprise

No data.

No data.

References

Link	Providers
https://grafana.com/security/security-advisories/CVE-2026-21721

History

Tue, 27 Jan 2026 20:30:00 +0000

Type	Values Removed	Values Added
First Time appeared		Grafana Grafana grafana Grafana grafana Enterprise
Vendors & Products		Grafana Grafana grafana Grafana grafana Enterprise

Tue, 27 Jan 2026 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 27 Jan 2026 09:15:00 +0000

Type	Values Removed	Values Added
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.
Title		Dashboard Permissions Scope Bypass Enables Cross‑Dashboard Privilege Escalation
References		https://grafana.com/security/security-advisories/CVE-2026-21721
Metrics		cvssV3_1 `{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N'}`

MITRE

Status: PUBLISHED

Assigner: GRAFANA

Published: 2026-01-27T09:07:55.160Z

Updated: 2026-01-28T04:55:18.755Z

Reserved: 2026-01-05T09:26:06.214Z

Link: CVE-2026-21721

Vulnrichment

Updated: 2026-01-27T15:26:51.354Z

NVD

Status : Awaiting Analysis

Published: 2026-01-27T09:15:48.640

Modified: 2026-01-27T14:59:34.073

Link: CVE-2026-21721

Redhat

No data.

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