CVE-2026-28379
grafana: Grafana Live: Denial of Service due to a race condition
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · May 14, 2026
Updated · September 21, 2026
Description
A flaw was found in Grafana Live, where a race condition allows authenticated users with a Viewer role to trigger a server crash. By sending concurrent requests, these users can cause a fatal map access error, leading to complete service unavailability (Denial of Service). This requires a restart of the Grafana server to restore service.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-663 · Use of a Non-reentrant Function in a Concurrent Context