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CVE-2026-115292— Authorization Bypass Through User-Controlled Key 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.

Kibana 机器学习模块中存在“通过用户控制密钥绕过授权”漏洞（CWE-639），可能导致信息泄露，攻击者可利用“访问未受访问控制列表（ACL）适当限制的功能”（CAPEC-1）获取敏感数据。具体而言，在某个 Kibana 工作空间（Space）中拥有机器学习读取权限的已认证用户，能够读取其无权访问的其他工作空间中的数据帧分析任务的审计日志和错误消息。这些消息可能包含任务详情，例如目标索引名称、被分析的字段名称以及失败相关信息。

CVSS 4.3 · Medium

Affected Version Matrix 3

VendorProduct Version RangeStatus
Elastic Kibana 8.0.0≤ 8.19.23 affected
9.0.0≤ 9.4.8 affected
9.5.0≤ 9.5.5 affected
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I. Basic Information for CVE-2026-115292

Vulnerability Information
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Vulnerability Title
Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana Machine Learning can lead to information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user with Machine Learning read access in one Kibana space can read the audit and error messages of data frame analytics jobs that belong to other spaces that the user is not authorized to access. These messages can include job details such as destination index names, analyzed field names, and failure information.
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
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Elastic Kibana 8.0.0 ~ 8.19.23 -

II. Public POCs for CVE-2026-115292

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III. Intelligence Information for CVE-2026-115292

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Other References for CVE-2026-115292 (1)

Same Patch Batch · Elastic · 2026-11-03 · 12 CVEs total

CVE-2026-115290 7.5 HIGH Uncontrolled Recursion in Elasticsearch Leading to Denial of Service
CVE-2026-115714 7.4 HIGH Improper Certificate Validation in Elastic Docker Images Leading to Interception of TLS Co
CVE-2026-115294 7.3 HIGH Improper Limitation of a Pathname to a Restricted Directory in Kibana Leading to Unauthori
CVE-2026-115297 6.5 MEDIUM NULL Pointer Dereference in Packetbeat Leading to Denial of Service
CVE-2026-115715 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of
CVE-2026-115293 6.5 MEDIUM Insertion of Sensitive Information Into Sent Data in Kibana Leading to Credential Disclosu
CVE-2026-115716 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in APM Server Leading to Denial of Se
CVE-2026-115298 4.3 MEDIUM Incorrect Authorization in Elasticsearch Leading to Information Disclosure
CVE-2026-115295 4.3 MEDIUM Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosu
CVE-2026-115289 4.3 MEDIUM Use of Multiple Resources with Duplicate Identifier in APM Server Leading to Information D
CVE-2026-115710 4.2 MEDIUM Use of Cache Containing Sensitive Information in Elasticsearch Leading to Information Disc

IV. Related Vulnerabilities

Same product: Kibana
Same vendor: Elastic
Same weakness: CWE-639