Bug 2477259 (CVE-2026-28376)

Summary: CVE-2026-28376 grafana: Grafana Live: Denial of Service due to unbounded memory allocation via push endpoint
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: alcohan, amctagga, aoconnor, bniver, flucifre, gmeno, gparvin, groman, jbalunas, lchilton, mbenjamin, mhackett, pahickey, rhaigner, rhel-process-autobot, sfeifer, sostapov, vereddy, watson-tool-maintainers
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Doc Text:
A flaw was found in Grafana Live. An authenticated user with access to the Grafana Live API can exploit the push endpoint by sending a large or streaming request body. This can lead to unbounded memory allocation, potentially causing out-of-memory conditions and resulting 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 2026-05-13 20:03:05 UTC
The Grafana Live push endpoint can be exploited to cause unbounded memory allocation by sending a large or streaming request body, potentially leading to out-of-memory conditions. An authenticated user with access to the Grafana Live API can trigger this issue.