CVEvulnerability

CVE-2026-33378

6.5 MEDIUM Published 2026-05-13 Modified 2026-10-26 Official page ↗
Status
Analyzed
Published
2026-05-13
Last modified
2026-10-26
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-400

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.

Affected configurations

• grafana grafana (>= 8.0.0 < 11.6.14) • grafana grafana (>= 12.0.0 < 12.2.8) • grafana grafana (>= 12.3.0 < 12.3.6) • grafana grafana (>= 12.4.0 < 12.4.3) • grafana grafana 11.6.14 • grafana grafana 12.2.8 • grafana grafana 12.3.6 • grafana grafana 12.4.3 • grafana grafana 13.0.0 • grafana grafana 13.0.1

Related

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References