CVE-2026-4498— Execution with Unnecessary Privileges in Kibana Leading to reading index data beyond their direct Elasticsearch RBAC scope
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I. Basic Information for CVE-2026-4498
Vulnerability Information
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Vulnerability Title
Execution with Unnecessary Privileges in Kibana Leading to reading index data beyond their direct Elasticsearch RBAC scope
Source: NVD (National Vulnerability Database)
Vulnerability Description
Execution with Unnecessary Privileges (CWE-250) in Kibana’s Fleet plugin debug route handlers can lead reading index data beyond their direct Elasticsearch RBAC scope via Privilege Abuse (CAPEC-122). This requires an authenticated Kibana user with Fleet sub-feature privileges (such as agents, agent policies, and settings management).
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
带着不必要的权限执行
Source: NVD (National Vulnerability Database)
Vulnerability Title
Elastic Kibana Fleet 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elastic Kibana Fleet是荷兰Elastic公司的一个集中管理和监控Elastic Agent的组件。 Elastic Kibana Fleet存在安全漏洞，该漏洞源于不必要的权限执行，可能导致权限滥用和越权读取索引数据。
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
II. Public POCs for CVE-2026-4498
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Elastic · 2026-04-08 · 6 CVEs total
| CVE-2026-33466 | 8.1 HIGH | Improper Limitation of a Pathname to a Restricted Directory in Logstash Leading to Arbitra |
| CVE-2026-33461 | 7.7 HIGH | Incorrect Authorization in Kibana Fleet Leading to Information Disclosure |
| CVE-2026-33458 | 6.8 MEDIUM | Server-Side Request Forgery (SSRF) in Kibana One Workflow Leading to Information Disclosur |
| CVE-2026-33459 | 6.5 MEDIUM | Uncontrolled Resource Consumption in Kibana Leading to Denial of Service |
| CVE-2026-33460 | 4.3 MEDIUM | Incorrect Authorization in Kibana Fleet Leading to Information Disclosure |
IV. Related Vulnerabilities
Same product: Kibana
- CVE-2026-33458
Server-Side Request Forgery (SSRF) in Kibana One Workflow Le - CVE-2026-33459
Uncontrolled Resource Consumption in Kibana Leading to Denia - CVE-2026-33460
Incorrect Authorization in Kibana Fleet Leading to Informati - CVE-2026-33461
Incorrect Authorization in Kibana Fleet Leading to Informati - CVE-2026-26940
Improper Validation of Specified Quantity in Input in Kibana
Same vendor: Elastic
- CVE-2026-33467
Improper Verification of Cryptographic Signature in Elastic - CVE-2026-33466
Improper Limitation of a Pathname to a Restricted Directory - CVE-2026-33458
Server-Side Request Forgery (SSRF) in Kibana One Workflow Le - CVE-2026-33459
Uncontrolled Resource Consumption in Kibana Leading to Denia - CVE-2026-33460
Incorrect Authorization in Kibana Fleet Leading to Informati
Same weakness: CWE-250
- CVE-2026-42088
OpenC3 COSMOS: Administrative Actions via the Script Runner - CVE-2026-40550
Privilege Escalation in mpGabinet - CVE-2026-25908
Dell Alienware Command Center 安全漏洞 - CVE-2026-4667
HP System Optimizer - Escalation of Privilege - CVE-2026-33793
Junos OS and Junos OS Evolved: When an unsigned Python op sc
V. Comments for CVE-2026-4498
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