Viewer-triggered race condition in Grafana Live leads to complete server crash
Medium
| Advisory ID: | CVE-2026-28379 |
| Published: | 2026-05-13 |
| Product: | Grafana |
| CVSS Score: | 6.5 |
| CVSS Vector: | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| Fixed Versions: | >=11.6.14+security-04 >=12.2.8+security-04 >=12.3.6+security-04 >=12.4.3+security-02 >=13.0.1+security-01 |
Summary
A race condition in Grafana Live allows authenticated users with Viewer role to trigger a server crash by sending concurrent requests that cause a fatal map access error. This results in complete service unavailability requiring restart of the Grafana server.
This vulnerability was reported via our bug bounty program.