CVE-2026-33375 — Uncontrolled Resource Consumption in OSS

CWE-400 — Uncontrolled Resource ConsumptionCWE-770 — Allocation of Resources Without Limits or Throttling5 documents5 sources
Severity
6.5MEDIUMNVD
EPSS
0.0%
top 96.70%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Grafana OSSGrafana
Timeline
PublishedMar 26

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages2 packages

▶NVDgrafana/grafana11.6.0 — 11.6.14+4
▶CVEListV5grafana/grafana_oss11.6.0 — 11.6.14+security-01+4

🔴Vulnerability Details

2
GHSA
GHSA-9vq6-r4xh-vm55: The Grafana MSSQL data source plugin contains a logic flaw that allows a low-privileged user (Viewer) to bypass API restrictions and trigger a catastr↗2026-03-26
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CVEList
Grafana MSSQL Data Source Plugin: Restriction Bypass Leading to OOM DoS↗2026-03-26
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📋Vendor Advisories

1
Red Hat
Grafana MSSQL Data Source Plugin: Grafana MSSQL Data Source Plugin: Denial of Service via Out-Of-Memory exhaustion↗2026-03-26
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🕵️Threat Intelligence

1
Wiz
CVE-2026-33375 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-33375 — Uncontrolled Resource Consumption | cvebase