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CVE-2026-33378

6.5 medium SSVC exploitation: none Analyzed
NVD · CVE.org

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.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.5 · grafanaNVD modified 2026-10-26 14:10

Affected (CPE criteria) 10

  • 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:-:*:*:*:*:*:*

References 1