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I. Basic Information for CVE-2026-26931
Vulnerability Information

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Vulnerability Title
Memory Allocation with Excessive Size Value in Metricbeat Leading to Denial of Service
Source: NVD (National Vulnerability Database)
Vulnerability Description
Memory Allocation with Excessive Size Value (CWE-789) in the Prometheus remote_write HTTP handler in Metricbeat can lead Denial of Service via Excessive Allocation (CAPEC-130).
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的内存分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
Elastic Metricbeat 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elastic Metricbeat是荷兰Elastic公司的一个指标采集器。 Elastic Metricbeat存在安全漏洞,该漏洞源于Prometheus remote_write HTTP处理程序存在内存分配值过大问题,可能导致通过过度分配造成拒绝服务。
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
ElasticMetricbeat 8.0.0 ~ 8.19.12 -
II. Public POCs for CVE-2026-26931
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III. Intelligence Information for CVE-2026-26931
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