Home › Exploited CVEs › CVE-2021-39226
CVE-2021-39226: Grafana Authentication Bypass Vulnerability
Grafana Labs Grafana · in CISA KEV since 2022-08-25
2022-08-25added to KEV
2022-09-15federal remediation due date
99.93%EPSS exploit probability (30 days) 100.0th percentile
7.3 HIGHCVSS 3.1
Unknownknown ransomware use
324days from NVD publication to KEV
What it is
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 (CISA)
Apply updates per vendor instructions.
| CWE | CWE-287 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| NVD published | 2021-10-05 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2021-39226.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.