CVE-2026-33375 MEDIUM

CVE-2026-33375: Grafana MSSQL Data Source Plugin: Restriction Bypass Leading to OOM DoS

Vendor Grafana
Product Grafana OSS
Published March 26, 2026
Last update June 12, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 26, 2026 CVE published
June 12, 2026 Record updated