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CVE-2026-63143— Missing Authorization in Kibana Leading to Unauthorized Information Disclosure

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是荷兰Elastic公司开源的一个数据可视化平台。 Elastic Kibana 9.4.0版本至9.4.3版本及9.3.0版本至9.3.7版本存在授权问题漏洞，该漏洞源于授权缺失，可能导致权限较低的用户通过滥用权限获取未授权访问，从而泄露工作流执行输出中的敏感信息。

CVSS 4.3 · Medium EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 2

VendorProduct Version RangeStatus
Elastic Kibana 9.4.0≤ 9.4.3 affected
9.3.0≤ 9.3.7 affected
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I. Basic Information for CVE-2026-63143

Vulnerability Information
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Vulnerability Title
Missing Authorization in Kibana Leading to Unauthorized Information Disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
Missing Authorization (CWE-862) in Kibana can lead to unauthorized information disclosure via Privilege Abuse (CAPEC-122). A user with limited feature privileges can access workflow execution outputs in their Kibana space without the authorization required to do so through the documented API. The accessible data may include sensitive information returned by workflow steps, such as results from connected data sources that the caller would not otherwise be authorized to access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Elastic Kibana 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elastic kibana是荷兰Elastic公司开源的一个数据可视化平台。 Elastic Kibana 9.4.0版本至9.4.3版本及9.3.0版本至9.3.7版本存在授权问题漏洞，该漏洞源于授权缺失，可能导致权限较低的用户通过滥用权限获取未授权访问，从而泄露工作流执行输出中的敏感信息。
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 9.4.0 ~ 9.4.3 -

II. Public POCs for CVE-2026-63143

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III. Intelligence Information for CVE-2026-63143

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Vendor Advisories for CVE-2026-63143 (1)

Same Patch Batch · Elastic · 2026-07-21 · 19 CVEs total

CVE-2026-56147 7.1 HIGH Authorization Bypass Through User-Controlled Key in Kibana Leading to Unauthorized Informa
CVE-2026-63136 6.5 MEDIUM Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service
CVE-2026-63263 6.5 MEDIUM Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service
CVE-2026-63260 6.5 MEDIUM Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
CVE-2026-63261 6.5 MEDIUM Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
CVE-2026-63144 6.5 MEDIUM Uncontrolled Recursion in Elasticsearch Leading to Denial of Service
CVE-2026-63140 6.5 MEDIUM Reachable Assertion in Elasticsearch Leading to Denial of Service
CVE-2026-63139 6.5 MEDIUM Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
CVE-2026-56145 6.5 MEDIUM Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service
CVE-2026-42397 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Servic
CVE-2026-63141 6.3 MEDIUM Missing Authorization in Kibana Leading to Unauthorized Access to Cloud Connect Management
CVE-2026-56146 5.4 MEDIUM Improper Access Control in Kibana Leading to Unauthorized Data Modification and Informatio
CVE-2026-56144 5.3 MEDIUM Incorrect Authorization in Elasticsearch Leading to Information Disclosure
CVE-2026-63142 5.0 MEDIUM Incomplete List of Disallowed Inputs in Kibana Leading to Server-Side Request Forgery
CVE-2026-63259 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosu
CVE-2026-49092 4.3 MEDIUM Unintended Proxy or Intermediary ('Confused Deputy') in Kibana Leading to Unauthorized Inf
CVE-2026-63145 4.3 MEDIUM Incorrect Authorization in Kibana Leading to Machine Learning Audit Log Integrity Compromi
CVE-2026-63262 4.3 MEDIUM Missing Authorization in Kibana Leading to Information Disclosure

IV. Related Vulnerabilities

Same product: Kibana
Same vendor: Elastic
Same weakness: CWE-862

V. Comments for CVE-2026-63143

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