CVE-2026-28379

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

CVSS 6.5 MEDIUMEPSS 0.3%CWE-362

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 6.5EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

13 May 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Grafana · Grafana OSS

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

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