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I. Basic Information for CVE-2026-26934
Vulnerability Information

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Vulnerability Title
Improper Validation of Specified Quantity in Input in Kibana Leading to Denial of Service
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper Validation of Specified Quantity in Input (CWE-1284) in Kibana can allow an authenticated attacker with view-only privileges to cause a Denial of Service via Input Data Manipulation (CAPEC-153). An attacker can send a specially crafted, malformed payload causing excessive resource consumption and resulting in Kibana becoming unresponsive or crashing.
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
CWE-1284
Source: NVD (National Vulnerability Database)
Vulnerability Title
Elastic Kibana 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elastic Kibana是Elastic公司的一个可用数据可视化仪表板软件。 Elastic Kibana存在安全漏洞,该漏洞源于输入数量验证不当,可能导致具有只读权限的经过身份验证的攻击者通过发送特制的畸形有效载荷造成资源过度消耗,导致Kibana无响应或崩溃。
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
ElasticKibana 8.18.0 ~ 8.19.11 -
II. Public POCs for CVE-2026-26934
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III. Intelligence Information for CVE-2026-26934
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IV. Related Vulnerabilities
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