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CVE-2026-33375

MEDIUMCVSS 6.5/10EPSS 0.43%

Last modified

CVE-2026-33375 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
0.43%

34.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GrafanaGrafana>= 11.6.0, < 11.6.14
GrafanaGrafana>= 12.1.0, < 12.1.10
GrafanaGrafana>= 12.2.0, < 12.2.8
GrafanaGrafana>= 12.3.0, < 12.3.6
GrafanaGrafana>= 12.4.0, < 12.4.2

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-33375?
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.
How severe is CVE-2026-33375?
CVE-2026-33375 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.
How do I fix CVE-2026-33375?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-33375?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST