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CVE-2026-56152— Incorrect Authorization in Kibana Leading to 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 Defend是荷兰Elastic公司的一款应用程序。提供预防、检测和响应功能,以及对 EPP、EDR、SIEM 和安全分析的深度可见性。 Elastic Defend存在授权问题漏洞，该漏洞源于授权不正确，可能导致低权限认证用户访问未经授权的响应操作数据，从而造成信息泄露。以下版本受到影响：8.6.0至8.19.12版本、9.0.0至9.2.6版本、9.3.0至9.3.1版本。

CVSS 5.3 · Medium EPSS 0.30% · P21

Affected Version Matrix 3

VendorProduct Version RangeStatus
Elastic Kibana 9.3.0≤ 9.3.1 affected
8.6.0≤ 8.19.12 affected
9.0.0≤ 9.2.6 affected
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I. Basic Information for CVE-2026-56152

Vulnerability Information
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Vulnerability Title
Incorrect Authorization in Kibana Leading to Information Disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, a low-privileged authenticated user can access response action data that they are not authorized to view.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Elastic Defend 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elastic Defend是荷兰Elastic公司的一款应用程序。提供预防、检测和响应功能,以及对 EPP、EDR、SIEM 和安全分析的深度可见性。 Elastic Defend存在授权问题漏洞，该漏洞源于授权不正确，可能导致低权限认证用户访问未经授权的响应操作数据，从而造成信息泄露。以下版本受到影响：8.6.0至8.19.12版本、9.0.0至9.2.6版本、9.3.0至9.3.1版本。
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 9.3.0 ~ 9.3.1 -

II. Public POCs for CVE-2026-56152

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III. Intelligence Information for CVE-2026-56152

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Vendor Advisories for CVE-2026-56152 (2)

Same Patch Batch · Elastic · 2026-07-01 · 9 CVEs total

CVE-2026-49091 8.0 HIGH Improper Output Neutralization for Logs in Kibana Leading to Log Injection
CVE-2026-49090 6.5 MEDIUM Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service
CVE-2026-49087 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Servic
CVE-2026-56150 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in Fleet Server Leading to Denial of
CVE-2026-56148 6.5 MEDIUM Uncontrolled Recursion in Elasticsearch Leading to Denial of Service
CVE-2026-56151 6.5 MEDIUM Improper Input Validation in Kibana Leading to Denial of Service
CVE-2026-56149 4.9 MEDIUM Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of
CVE-2026-49088 4.4 MEDIUM Insertion of Sensitive Information into Log File in Kibana Leading to Information Disclosu

IV. Related Vulnerabilities

Same product: Kibana
Same vendor: Elastic
Same weakness: CWE-863

V. Comments for CVE-2026-56152

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