Bug 2451939 (CVE-2026-33375)

Summary: CVE-2026-33375 Grafana MSSQL Data Source Plugin: Grafana MSSQL Data Source Plugin: Denial of Service via Out-Of-Memory exhaustion
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: lchilton, sfeifer
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in the Grafana MSSQL Data Source Plugin. A low-privileged user, such as a Viewer, can exploit a logic flaw to bypass API restrictions. This allows them to trigger a catastrophic Out-Of-Memory (OOM) memory exhaustion, leading to the crashing of the host container. This vulnerability can result in a Denial of Service (DoS) for the affected system.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Description OSIDB Bzimport 2026-03-26 21:02:58 UTC
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.