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CVE-2026-0530— Allocation of Resources Without Limits or Throttling in Kibana Leading to Excessive Allocation

Quick assessment

Affected
Elastic Kibana
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Elastic Kibana Fleet是荷兰Elastic公司的一个集中管理和监控Elastic Agent的组件。 Elastic Kibana Fleet存在安全漏洞，该漏洞源于资源分配无限流或无限流，可能导致通过特制请求进行过度分配，造成服务降级或完全不可用。

CVSS 6.5 · Medium EPSS 0.33% · P24
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I. Basic Information for CVE-2026-0530

Vulnerability Information
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Vulnerability Title
Allocation of Resources Without Limits or Throttling in Kibana Leading to Excessive Allocation
Source: CVE Program / CVE List V5
Vulnerability Description
Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana Fleet can lead to Excessive Allocation (CAPEC-130) via a specially crafted request. This causes the application to perform redundant processing operations that continuously consume system resources until service degradation or complete unavailability occurs.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Elastic Kibana Fleet 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elastic Kibana Fleet是荷兰Elastic公司的一个集中管理和监控Elastic Agent的组件。 Elastic Kibana Fleet存在安全漏洞，该漏洞源于资源分配无限流或无限流，可能导致通过特制请求进行过度分配，造成服务降级或完全不可用。
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

Vendor Product Affected Versions CPE Subscribe
Elastic Kibana 7.10.0 ~ 7.17.29 -

II. Public POCs for CVE-2026-0530

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III. Intelligence Information for CVE-2026-0530

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Other References for CVE-2026-0530 (1)

Same Patch Batch · Elastic · 2026-01-13 · 4 CVEs total

CVE-2026-0528 6.5 MEDIUM Improper Input Validation in Metricbeat Leading to Denial of Service
CVE-2026-0543 6.5 MEDIUM Improper Input Validation in Kibana Email Connector Leading to Excessive Allocation
CVE-2026-0531 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in Kibana Fleet

IV. Related Vulnerabilities

Same product: Kibana
Same vendor: Elastic
Same weakness: CWE-770