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VULNERABILITIES

CVE-2026-33378 Details

Description

Using the $__timeGroup macro, one can achieve an OOM by overloading the server. This requires a SQL datasource. If the server is set up to auto-restart, the impact is minimal or non-existent, as the attack can take upwards of half an hour to crash the server.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://grafana.com/security/security-advisories/cve-2026-33378 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-400Uncontrolled Resource ConsumptionCISA-ADP

Affected Products

ProductVersions
grafana grafana
>= 8.0.0, < 11.6.14
>= 12.0.0, < 12.2.8
>= 12.3.0, < 12.3.6
>= 12.4.0, < 12.4.3
11.6.14 -

CPE

  • cpe:2.3:a:grafana:grafana:*:*:*:*:*:*:*:*
  • cpe:2.3:a:grafana:grafana:11.6.14:-:*:*:*:*:*:*
  • cpe:2.3:a:grafana:grafana:11.6.14:security01:*:*:*:*:*:*
  • cpe:2.3:a:grafana:grafana:12.2.8:-:*:*:*:*:*:*
  • cpe:2.3:a:grafana:grafana:12.2.8:security01:*:*:*:*:*:*
  • cpe:2.3:a:grafana:grafana:12.3.6:-:*:*:*:*:*:*
  • cpe:2.3:a:grafana:grafana:12.3.6:security01:*:*:*:*:*:*
  • cpe:2.3:a:grafana:grafana:12.4.3:-:*:*:*:*:*:*
  • cpe:2.3:a:grafana:grafana:13.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:grafana:grafana:13.0.1:-:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-33378
NVD Published Date:
May 13, 2026
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2026-33378 Details - Not Deferred