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Grafana: Pre-authentication denial of service in the public dashboard query handler

🗓️ 22 Jun 2026 18:34:17Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 4 Views

The public dashboard query endpoint does not limit request body size before processing, allowing unauthenticated attackers to trigger excessive memory allocation by sending arbitrarily large JSON payloads. This can lead to denial of service throug...

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grafanagrafanaRange<1.9.2-0.20260616075434-82ef13993059go
grafanagrafanaRange13.0.013.0.2go
grafanagrafanaRange12.4.012.4.4go
grafanagrafanaRange12.3.012.3.7go
grafanagrafanaRange12.0.012.2.9go
grafanagrafanaRange2.0.0-beta111.6.15go

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21 Sep 2026 23:00Current
CVSS 3.17.5
EPSS0.00432
SSVC
4