CVE-2026-33375

Medium

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.

SeverityMedium

CVSS6.5

Exploit probability—

Product

Grafana

PublishedMar 26, 2026

First seenMar 26, 2026

Weakness typeCWE-400Uncontrolled resource consumption

How to fix

Update

grafana grafana11.6.14, 12.1.10, 12.2.8, 12.3.6, 12.4.2 or later

Vendor advisories

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

Affected products

Product	Affected versions	Fixed in
grafana grafana	11.6.0 ≤ v < 11.6.14, 12.1.0 ≤ v < 12.1.10, 12.2.0 ≤ v < 12.2.8, 12.3.0 ≤ v < 12.3.6, 12.4.0 ≤ v < 12.4.2	11.6.14, 12.1.10, 12.2.8, 12.3.6, 12.4.2

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