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CVE-2026-33465— Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service

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.

Kibana 中存在“未设置资源分配限制或节流”（CWE-770）的漏洞，可能导致通过“过度资源分配”（CAPEC-130）引发拒绝服务（DoS）攻击。一个拥有低权限的已认证用户可以提交一个精心构造的请求，从而引发过度的资源消耗，可能导致 Kibana 服务不可用。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1074 · Data Staged

Affected Version Matrix 2

VendorProduct Version RangeStatus
Elastic Kibana 8.0.0≤ 8.19.16 affected
9.0.0≤ 9.2.8 affected
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I. Basic Information for CVE-2026-33465

Vulnerability Information
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Vulnerability Title
Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service
Source: CVE Program / CVE List V5
Vulnerability Description
Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user with low-level permissions could submit a specially crafted request that causes excessive resource consumption, which may render Kibana unavailable.
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

Affected Products

Vendor Product Affected Versions CPE Subscribe
Elastic Kibana 8.0.0 ~ 8.19.16 -

II. Public POCs for CVE-2026-33465

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III. Intelligence Information for CVE-2026-33465

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Vendor Advisories for CVE-2026-33465 (1)

Same Patch Batch · Elastic · 2026-09-01 · 20 CVEs total

CVE-2026-72649 8.8 HIGH Deserialization of Untrusted Data in Elasticsearch Leading to Remote Code Execution
CVE-2026-63137 8.3 HIGH Incorrect Authorization in Kibana Leading to Privilege Escalation
CVE-2026-78592 7.3 HIGH Improper Limitation of a Pathname to a Restricted Directory in Kibana Leading to Unauthori
CVE-2024-14047 7.2 HIGH Improper Link Resolution Before File Access ('Link Following') in Winlogbeat Leading to Ar
CVE-2026-72682 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Servic
CVE-2026-72644 6.5 MEDIUM Uncaught Exception in Kibana Leading to Denial of Service
CVE-2026-72652 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Servic
CVE-2026-63138 6.5 MEDIUM Improper Neutralization of Special Elements in Data Query Logic in Kibana Leading to Infor
CVE-2026-72628 6.5 MEDIUM Improper Handling of Highly Compressed Data in Kibana Leading to Denial of Service
CVE-2026-72654 6.5 MEDIUM Execution with Unnecessary Privileges in Kibana Leading to Information Disclosure
CVE-2026-78608 6.5 MEDIUM Missing Authorization in Kibana Leading to Information Disclosure
CVE-2026-78605 5.9 MEDIUM Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') in Elasticsearch L
CVE-2026-72641 5.4 MEDIUM Incorrect Authorization in Kibana Leading to Unauthorized Modification of Data
CVE-2026-78607 5.4 MEDIUM Missing Authorization in Elasticsearch Leading to Information Disclosure
CVE-2026-56143 4.9 MEDIUM Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of
CVE-2026-78603 4.3 MEDIUM Missing Authorization in Kibana Leading to Unauthorized Disclosure of Fleet Deployment Met
CVE-2026-78597 4.3 MEDIUM Missing Authorization in Kibana Entity Store Leading to Unauthorized API Key Creation
CVE-2026-72633 4.3 MEDIUM Incorrect Authorization in Kibana Leading to Unauthorized Disabling of Privilege Monitorin
CVE-2026-78606 4.2 MEDIUM Incorrect Authorization in Kibana Leading to Unauthorized Disclosure, Modification, and De

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-33465

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