CVE-2026-28379

MEDIUM

Viewer-triggered race condition in Grafana Live leads to complete server crash

Title source: cna

Description

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.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://grafana.com/security/security-advisories/cve-2026-28379

Scores

CVSS v3 6.5

EPSS 0.0026

EPSS Percentile 17.3%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-362

Status published

Products (17)

grafana/grafana 11.6.14 (2 CPE variants)

grafana/grafana 12.2.8 (2 CPE variants)

grafana/grafana 12.3.6 (2 CPE variants)

grafana/grafana 12.4.3

grafana/grafana 13.0.0

grafana/grafana 13.0.1

grafana/grafana 8.5.0 - 11.6.14

Grafana/Grafana OSS 11.6.14 - 11.6.14+security-04

Grafana/Grafana OSS 12.0.0 - 12.2.8

Grafana/Grafana OSS 12.2.8 - 12.2.8+security-04

... and 7 more

Published May 13, 2026

Tracked Since May 14, 2026