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CVE-2026-33461— Incorrect Authorization in Kibana Fleet 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 Kibana是Elastic公司的一个可用数据可视化仪表板软件。 Elastic Kibana存在安全漏洞，该漏洞源于授权不当，可能导致信息泄露。

CVSS 7.7 · High EPSS 0.29% · P21

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token
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I. Basic Information for CVE-2026-33461

Vulnerability Information
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Vulnerability Title
Incorrect Authorization in Kibana Fleet Leading to Information Disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
Incorrect Authorization (CWE-863) in Kibana can lead to information disclosure via Privilege Abuse (CAPEC-122). A user with limited Fleet privileges can exploit an internal API endpoint to retrieve sensitive configuration data, including private keys and authentication tokens, that should only be accessible to users with higher-level settings privileges. The endpoint composes its response by fetching full configuration objects and returning them directly, bypassing the authorization checks enforced by the dedicated settings APIs.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/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 Kibana 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elastic Kibana是Elastic公司的一个可用数据可视化仪表板软件。 Elastic Kibana存在安全漏洞，该漏洞源于授权不当，可能导致信息泄露。
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 ~ 9.3.2 -

II. Public POCs for CVE-2026-33461

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III. Intelligence Information for CVE-2026-33461

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Vendor Advisories for CVE-2026-33461 (1)

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-2026-4498 7.7 HIGH Execution with Unnecessary Privileges in Kibana Leading to reading index data beyond their
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
Same vendor: Elastic
Same weakness: CWE-863