Grafana LabsCVE-2026-17183
Grafana: improper authorization
High7.1CVE-2026-17183 · Published Aug 19, 2026 · updated Aug 31, 2026
An authenticated user with permission to create or edit alert rules can bypass datasource query authorization by marking an alert rule query as a server-side expression while referencing a real datasource UID (incorrect authorization). This can expose data accessible through Grafana's configured datasource credentials to users who lack permission to query that datasource.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Grafana Enterprise Product | >= 8.4.0, < 12.3.11 | 12.3.11 |
| >= 12.4.0, < 12.4.9 | 12.4.9 | |
| >= 13.0.0, < 13.0.7 | 13.0.7 | |
| >= 13.1.0, < 13.1.4 | 13.1.4 | |
| Grafana OSS Product | >= 8.4.0, < 12.3.11 | 12.3.11 |
| >= 12.4.0, < 12.4.9 | 12.4.9 | |
| >= 13.0.0, < 13.0.7 | 13.0.7 | |
| >= 13.1.0, < 13.1.4 | 13.1.4 |
Details and references
- CVSS 3.1
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-863
More Grafana Labs advisories
All Grafana Labs| Date | Advisory | Severity | Fixed in |
|---|---|---|---|
| Aug 27 | Grafana Labs Alloy: exposed files | High7.7 | No fix yet |
| Aug 27 | Grafana Labs Clickhouse Datasource: cleartext transmission | Medium6.1 | No fix yet |
| Aug 26 | Grafana: improper access control | Medium6.3 | OSS 12.4.8+2 more |
| Aug 24 | Grafana OSS: cross-site scripting | Medium6.8 | No fix yet |
| Aug 17 | Grafana: information disclosure | Medium5.3 | No fix yet |
| Aug 11 | Grafana MCP Server: server-side request forgery | Critical9.1 | No fix yet |