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.
History

Thu, 28 May 2026 19:00:00 +0000

Type Values Removed Values Added
CPEs 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:-:*:*:*:*:*:*

Thu, 14 May 2026 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Grafana
Grafana grafana
Vendors & Products Grafana
Grafana grafana

Thu, 14 May 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 13 May 2026 22:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-400

Wed, 13 May 2026 20:00:00 +0000

Type Values Removed Values Added
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.
Title Grafana Data Source Plugin: DoS (OOM) via Negative Interval Injection in $__timeGroup Macro
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GRAFANA

Published: 2026-05-13T19:28:37.606Z

Updated: 2026-05-14T12:33:58.842Z

Reserved: 2026-03-19T07:55:06.977Z

Link: CVE-2026-33378

cve-icon Vulnrichment

Updated: 2026-05-14T12:33:55.700Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-13T20:16:20.583

Modified: 2026-05-28T19:00:01.283

Link: CVE-2026-33378

cve-icon Redhat

No data.