CVE-2026-33375

Published: Mar 26, 2026

Modified: May 13, 2026

PUBLISHED

CVSS v3.1

6.5

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.

Vendor	Product	Versions
Grafana	Grafana OSS	affected `11.6.0 - < 11.6.14+security-01` affected `12.1.0 - < 12.1.10+security-01` affected `12.2.0 - < 12.2.8+security-01` affected `12.3.0 - < 12.3.6+security-01` affected `12.4.0 - < 12.4.2`

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

References

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

vendor-advisory

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CVE-2026-33375

Description

Affected Products

CVSS v3.1 Details

References