CVE-2026-28379
Viewer-triggered race condition in Grafana Live leads to complete server crash
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.
INFO
Published Date :
May 13, 2026, 8:16 p.m.
Last Modified :
June 2, 2026, 7:28 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update Grafana to the latest available version.
- Apply vendor security patches promptly.
- Monitor Grafana logs for errors.
- Restart the Grafana server if crashed.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-28379.
| URL | Resource |
|---|---|
| https://grafana.com/security/security-advisories/cve-2026-28379 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-28379 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-28379
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-28379 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-28379 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jun. 02, 2026
Action Type Old Value New Value Added CWE CWE-362 Added CPE Configuration OR *cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:* versions from (including) 12.2.0 up to (excluding) 12.2.8 *cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:* versions from (including) 12.3.0 up to (excluding) 12.3.6 *cpe:2.3:a:grafana:grafana:11.6.14:security01:*:*:*:*:*:* *cpe:2.3:a:grafana:grafana:12.2.8:security01:*:*:*:*:*:* *cpe:2.3:a:grafana:grafana:12.3.6:security01:*:*:*:*:*:* *cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:* versions from (including) 12.4.0 up to (excluding) 12.4.3 *cpe:2.3:a:grafana:grafana:11.6.14:-:*:*:*:*:*:* *cpe:2.3:a:grafana:grafana:12.2.8:-:*:*:*:*:*:* *cpe:2.3:a:grafana:grafana:12.3.6:-:*:*:*:*:*:* *cpe:2.3:a:grafana:grafana:13.0.0:*:*:*:*:*:*:* *cpe:2.3:a:grafana:grafana:13.0.1:-:*:*:*:*:*:* *cpe:2.3:a:grafana:grafana:12.4.3:-:*:*:*:*:*:* *cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:* versions from (including) 8.5.0 up to (excluding) 11.6.14 Added Reference Type Grafana Labs: https://grafana.com/security/security-advisories/cve-2026-28379 Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
May. 14, 2026
Action Type Old Value New Value Added CWE CWE-362 -
New CVE Received by [email protected]
May. 13, 2026
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added Reference https://grafana.com/security/security-advisories/cve-2026-28379