What is CVE-2026-28379?

CVE-2026-28379 is a security advisory published by Grafana Labs Security. Viewer-triggered race condition in Grafana Live leads to complete server crash

Why does CVE-2026-28379 have no CVE ID yet?

Grafana Labs Security published this advisory directly to customers before NVD assigned a CVE ID. This is the embargo-window disclosure pattern — vendors notify customers on day 0; NVD's public record follows days to weeks later.

Which products are affected by CVE-2026-28379?

CVE-2026-28379 affects 1 product, including: Grafana.

CVE-2026-28379Disclosed before NVD

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

Vendor

Grafana Labs Security

Published

May 13, 2026

Last Modified

—

📋 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. This vulnerability was reported via our bug bounty program.

🎯 Affected products1

Grafana

🔗 References (1)

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