CVE-2021-39226
Grafana Authentication Bypass Vulnerability
What is affected
| Vendor | Grafana Labs |
|---|---|
| Product | Grafana |
| Weakness | CWE-287 |
The vulnerability
Grafana contains an authentication bypass vulnerability that allows authenticated and unauthenticated users to view and delete all snapshot data, potentially resulting in complete snapshot data loss.
Required action
Apply updates per vendor instructions.
US federal civilian agencies were required to act by 15 September 2022 under BOD 22-01. The deadline is a compliance date, not a measure of severity — it says nothing about how dangerous the flaw is to anyone else.
Where this comes from
Every field on this page is taken from the CISA Known Exploited Vulnerabilities catalog, last synced 13 Nov 2026, 00:30. Nothing here is our own assessment. For the technical scoring, see the NVD record below.