CVE-2026-33375

MEDIUM

Grafana MSSQL Data Source Plugin: Restriction Bypass Leading to OOM DoS

Title source: cna

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.

References (1)

[Vendor Advisory] https://grafana.com/security/security-advisories/cve-2026-33375

Scores

CVSS v3 6.5

EPSS 0.0002

EPSS Percentile 4.7%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-400

Status published

Products (6)

grafana/grafana 11.6.0 - 11.6.14

Grafana/Grafana OSS 11.6.0 - 11.6.14+security-01

Grafana/Grafana OSS 12.1.0 - 12.1.10+security-01

Grafana/Grafana OSS 12.2.0 - 12.2.8+security-01

Grafana/Grafana OSS 12.3.0 - 12.3.6+security-01

Grafana/Grafana OSS 12.4.0 - 12.4.2

Published Mar 26, 2026

Tracked Since Mar 27, 2026