CVE-2026-33375

Published: Mar 26, 2026Modified: Jun 17, 2026

6.5

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploitability: 2.8 / Impact: 3.6

Source: security@grafana.com (Secondary)

Description

The Grafana MSSQL data source plugin contains a logic flaw that allows a low-privileged user (Viewer) to bypass API restrictions and trigger a catastrophic Out-Of-Memory (OOM) memory exhaustion, crashing the host container.

Affected (5)

Products: Grafana: Grafana

Grafana

1 product

Grafana

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Grafana Grafana	From 11.6.0 to 11.6.14
Grafana Grafana	From 12.1.0 to 12.1.10
Grafana Grafana	From 12.2.0 to 12.2.8
Grafana Grafana	From 12.3.0 to 12.3.6
Grafana Grafana	From 12.4.0 to 12.4.2

Related CWEs

CWE-400

Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

References (1)

https://grafana.com/security/security-advisories/cve-2026-33375

Source: security@grafana.com

Vendor Advisory

Timeline

No history available yet.