CVE-2026-33375
Grafana MSSQL Data Source Plugin: Restriction Bypass Leading to OOM DoS
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.
INFO
Published Date :
March 26, 2026, 9:17 p.m.
Last Modified :
March 31, 2026, 7:01 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Grafana MSSQL data source plugin.
- Monitor system resources after updating.
- Apply necessary container resource limits.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-33375.
| URL | Resource |
|---|---|
| https://grafana.com/security/security-advisories/cve-2026-33375 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-33375 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-33375
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-33375 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-33375 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 31, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:grafana:grafana:*:*:*:*:-:*:*:* versions from (including) 11.6.0 up to (excluding) 11.6.14 *cpe:2.3:a:grafana:grafana:*:*:*:*:-:*:*:* versions from (including) 12.1.0 up to (excluding) 12.1.10 *cpe:2.3:a:grafana:grafana:*:*:*:*:-:*:*:* versions from (including) 12.2.0 up to (excluding) 12.2.8 *cpe:2.3:a:grafana:grafana:*:*:*:*:-:*:*:* versions from (including) 12.3.0 up to (excluding) 12.3.6 *cpe:2.3:a:grafana:grafana:*:*:*:*:-:*:*:* versions from (including) 12.4.0 up to (excluding) 12.4.2 Added Reference Type Grafana Labs: https://grafana.com/security/security-advisories/cve-2026-33375 Types: Vendor Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Mar. 27, 2026
Action Type Old Value New Value Added CWE CWE-400 -
New CVE Received by [email protected]
Mar. 26, 2026
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added Reference https://grafana.com/security/security-advisories/cve-2026-33375