What’s Vulnerable › Vulnerabilities
CVE-2026-28379: Viewer-triggered race condition in Grafana Live leads to complete server crash
- Severity: medium (CVSS 6.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-13 · updated 2026-10-26
- Weakness: CWE-362
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.
Affected products
- Grafana: from 8.5.0 before 11.6.14; from 12.2.0 before 12.2.8; from 12.3.0 before 12.3.6; from 12.4.0 before 12.4.3; 11.6.14, 11.6.14-security01, 12.2.8, 12.2.8-security01, 12.3.6, 12.3.6-security01 (+3) — fixed in 11.6.14, 12.2.8, 12.3.6, 12.4.3
How to fix
Upgrade to a fixed version: Grafana 11.6.14, 12.2.8, 12.3.6, 12.4.3. Check the vendor advisory for mitigations.
References
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