CVE-2026-28379 MEDIUM

CVE-2026-28379: Viewer-triggered race condition in Grafana Live leads to complete server crash

Vendor Grafana
Product Grafana OSS
Published May 13, 2026
Last update June 12, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 13, 2026 CVE published
June 12, 2026 Record updated