CVE-2026-28379: Vulnerability in Grafana Grafana OSS
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.
AI Analysis
Technical Summary
This vulnerability involves a race condition in the Grafana Live component of Grafana OSS. Authenticated users assigned the Viewer role can exploit this by sending concurrent requests that lead to a fatal map access error, causing the server process to crash. The crash results in denial of service, requiring a manual restart of the Grafana server to restore functionality. The issue is tracked under CWE-362 (Race Condition). There is no vendor advisory indicating an available patch or fix at this time.
Potential Impact
Exploitation of this vulnerability leads to a denial of service condition by crashing the Grafana server. This causes complete unavailability of the Grafana service until the server is manually restarted. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider limiting Viewer role access to trusted users and monitor for unusual concurrent request patterns that could trigger the crash. No official fix or temporary workaround is currently provided by the vendor.
CVE-2026-28379: Vulnerability in Grafana Grafana OSS
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.
CVSS v3.1
Score 6.5medium
Affected software
pkg:golang/github.com/grafana/grafanaRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a race condition in the Grafana Live component of Grafana OSS. Authenticated users assigned the Viewer role can exploit this by sending concurrent requests that lead to a fatal map access error, causing the server process to crash. The crash results in denial of service, requiring a manual restart of the Grafana server to restore functionality. The issue is tracked under CWE-362 (Race Condition). There is no vendor advisory indicating an available patch or fix at this time.
Potential Impact
Exploitation of this vulnerability leads to a denial of service condition by crashing the Grafana server. This causes complete unavailability of the Grafana service until the server is manually restarted. There is no impact on confidentiality or integrity reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, consider limiting Viewer role access to trusted users and monitor for unusual concurrent request patterns that could trigger the crash. No official fix or temporary workaround is currently provided by the vendor.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GRAFANA
- Date Reserved
- 2026-02-27T07:16:12.218Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a04d641cbff5d861003f1af
Added to database: 05/13/2026, 19:51:29 UTC
Last enriched: 07/30/2026, 07:37:07 UTC
Last updated: 07/31/2026, 21:26:44 UTC
Views: 62
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