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CVE-2026-115295— 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 中存在“通过用户控制键绕过授权”（CWE-639）漏洞，可能导致通过“访问未受访问控制列表（ACL）适当约束的功能”（CAPEC-1）而引发信息泄露。具体表现为：拥有对某个 Kibana 空间中连接器读取权限的已认证用户，能够获取其无权访问的其他空间中的连接器执行日志信息。泄露的信息包括连接器名称和标识符、执行状态、时间戳、错误消息以及聚合的执行统计信息。

CVSS 4.3 · Medium

Affected Version Matrix 3

VendorProduct Version RangeStatus
Elastic Kibana 8.7.0≤ 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-2026-115295

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 can lead to information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user with read access to connectors in one Kibana space can retrieve connector execution log information from other spaces that they are not authorized to access. The disclosed information includes connector names and identifiers, execution status, timestamps, error messages, and aggregated execution statistics.
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 8.7.0 ~ 8.19.23 -

II. Public POCs for CVE-2026-115295

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III. Intelligence Information for CVE-2026-115295

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Other References for CVE-2026-115295 (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-2026-115292 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