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CVE-2026-27879— Query resampling can cause unbounded memory allocations

CVSS 6.5 · Medium EPSS 0.02% · P6
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I. Basic Information for CVE-2026-27879

Vulnerability Information
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Vulnerability Title
Query resampling can cause unbounded memory allocations
Source: NVD (National Vulnerability Database)
Vulnerability Description
A resample query can be used to trigger out-of-memory crashes in Grafana.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Grafana 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Grafana是Grafana开源的一套提供可视化监控界面的开源监控工具。该工具主要用于监控和分析Graphite、InfluxDB和Prometheus等。 Grafana存在安全漏洞，该漏洞源于重采样查询可能触发内存不足崩溃，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
GrafanaGrafana 8.0.0 ~ 11.6.14 -

II. Public POCs for CVE-2026-27879

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III. Intelligence Information for CVE-2026-27879

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Same Patch Batch · Grafana · 2026-03-27 · 5 CVEs total

CVE-2026-278769.1 CRITICALRCE on Grafana via sqlExpressions
CVE-2026-278807.5 HIGHOpenFeature evaluation API reads input data with no bounds
CVE-2026-278776.5 MEDIUMPublic dashboards discloses all direct mode datasources
CVE-2026-283756.5 MEDIUMGrafana Testdata datasource can issue unbounded memory allocations

IV. Related Vulnerabilities

Same product: Grafana
Same vendor: Grafana

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