Bug 2452286 (CVE-2026-27879)

Summary: CVE-2026-27879 Grafana: Grafana: Denial of Service via resample query
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 Grafana. A remote attacker with low privileges can exploit this vulnerability by sending a specially crafted resample query. This can trigger out-of-memory crashes, leading to a Denial of Service (DoS) for the affected system.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Description OSIDB Bzimport 2026-03-27 15:03:32 UTC
A resample query can be used to trigger out-of-memory crashes in Grafana.