CVE-2021-28146

grafana: Authorization bypass via external groups

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Severity

Important

Red Hat Product Security

6.8

CVSS 3.1

Review impact separately from score.

Published · March 18, 2021

Updated · June 27, 2026

Description

A flaw was found in grafana. Authenticated users are allowed to add external groups to existing teams or to grant a user team-permissions that the user isn't supposed to have. The highest threat from this vulnerability is to data confidentiality.

Statement

Red Hat products do not ship Grafana Enterprise version, therefore they are not affected by this vulnerability.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.8
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

CWE-639 · Authorization Bypass Through User-Controlled Key