ACTIVELY EXPLOITED
CVE-2021-39226: Grafana Authentication Bypass Vulnerability
| Vendor | Grafana Labs |
|---|---|
| Product | Grafana |
| Actively exploited | Yes |
| Added to CISA KEV | 25 Aug 2022 |
| CISA federal deadline | 15 Sep 2022 |
| Weakness (CWE) | CWE-287 |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
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.
SOURCES
Other Grafana Labs flaws
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.