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CVE-2026-33464— Uncontrolled Resource Consumption in Kibana Leading to Denial of Service

CVSS 6.5 · Medium EPSS 0.04% · P13

Affected Version Matrix 3

VendorProductVersion RangeStatus
ElasticKibana9.4.0≤ 9.4.0affected
9.0.0≤ 9.3.4affected
8.0.0≤ 8.19.15affected
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I. Basic Information for CVE-2026-33464

Vulnerability Information
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Vulnerability Title
Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
Source: NVD (National Vulnerability Database)
Vulnerability Description
Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user holding a low-privileged role can submit a specially crafted, oversized payload to an internal Kibana API, causing the Kibana process to exhaust available resources and become unresponsive to all users until the service recovers or is restarted.
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
未加控制的资源消耗(资源穷尽)
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，该漏洞源于资源消耗不受控制，导致持有低权限角色的认证用户可提交特制超大数据包至内部API，造成Kibana进程耗尽资源并停止响应，直至服务恢复或重启，引发拒绝服务。
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
ElasticKibana 9.4.0 ~ 9.4.0 -

II. Public POCs for CVE-2026-33464

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III. Intelligence Information for CVE-2026-33464

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Other References for CVE-2026-33464 (1)

Same Patch Batch · Elastic · 2026-05-28 · 10 CVEs total

CVE-2026-423987.7 HIGHServer-Side Request Forgery (SSRF) in Kibana Leading to Unauthorized Network Access
CVE-2026-490957.2 HIGHImproper Input Validation in Kibana Fleet Leading to Privilege Escalation
CVE-2026-423996.5 MEDIUMUncontrolled Resource Consumption in Kibana Leading to Denial of Service
CVE-2026-424006.5 MEDIUMUncontrolled Resource Consumption in Kibana Leading to Denial of Service
CVE-2026-490946.5 MEDIUMUncontrolled Resource Consumption in Kibana Leading to Denial of Service
CVE-2026-490936.3 MEDIUMServer-Side Request Forgery (SSRF) in Kibana Leading to Unauthorized Network Access
CVE-2026-334635.3 MEDIUMOperation on a Resource after Expiration or Termination in Kibana Leading to Unauthorized
CVE-2026-334624.6 MEDIUMPath Traversal in Kibana Leading to Unauthorized Deletion of User Accounts
CVE-2026-424014.1 MEDIUMImproper Neutralization of Input During Web Page Generation in Kibana Leading to Stored HT

IV. Related Vulnerabilities

Same product: Kibana
Same vendor: Elastic
Same weakness: CWE-400

V. Comments for CVE-2026-33464

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