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I. Basic Information for CVE-2026-26932
Vulnerability Information

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Vulnerability Title
Improper Validation of Array Index in Packetbeat Leading to Denial of Service
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper Validation of Array Index (CWE-129) in the PostgreSQL protocol parser in Packetbeat can lead Denial of Service via Input Data Manipulation (CAPEC-153). An attacker can send a specially crafted packet causing a Go runtime panic that terminates the Packetbeat process. This vulnerability requires the pgsql protocol to be explicitly enabled and configured to monitor traffic on the targeted port.
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
对数组索引的验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Elastic Packetbeat 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elastic Packetbeat是荷兰Elastic公司的一个数据采集器。 Elastic Packetbeat存在安全漏洞,该漏洞源于PostgreSQL协议解析器存在数组索引验证不当,可能导致攻击者通过发送特制数据包引发Go运行时崩溃,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
ElasticPacketbeat 9.0.0 ~ 9.2.4 -
II. Public POCs for CVE-2026-26932
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III. Intelligence Information for CVE-2026-26932
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IV. Related Vulnerabilities
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