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CVE-2026-33463— Operation on a Resource after Expiration or Termination in Kibana Leading to Unauthorized File Access

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，该漏洞源于资源过期或终止后的操作问题，导致时间限制访问令牌在有效期后仍可被使用，使得持有令牌的未经验证攻击者能够检索相关内容，造成未授权信息泄露。

CVSS 5.3 · Medium EPSS 0.39% · P30

Affected Version Matrix 2

VendorProduct Version RangeStatus
Elastic Kibana 8.0.0≤ 8.19.15 affected
9.0.0≤ 9.3.4 affected
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I. Basic Information for CVE-2026-33463

Vulnerability Information
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Vulnerability Title
Operation on a Resource after Expiration or Termination in Kibana Leading to Unauthorized File Access
Source: CVE Program / CVE List V5
Vulnerability Description
Operation on a Resource after Expiration or Termination (CWE-672) in Kibana can lead to unauthorized information disclosure. A logic error in how expiration timestamps were validated allowed a time-bounded access token to remain usable beyond its intended validity window, enabling an unauthenticated actor in possession of the token to retrieve the associated content after expiration.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在过期或释放后对资源进行操作
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，该漏洞源于资源过期或终止后的操作问题，导致时间限制访问令牌在有效期后仍可被使用，使得持有令牌的未经验证攻击者能够检索相关内容，造成未授权信息泄露。
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 8.0.0 ~ 8.19.15 -

II. Public POCs for CVE-2026-33463

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III. Intelligence Information for CVE-2026-33463

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Vendor Advisories for CVE-2026-33463 (1)

Same Patch Batch · Elastic · 2026-05-28 · 10 CVEs total

CVE-2026-42398 7.7 HIGH Server-Side Request Forgery (SSRF) in Kibana Leading to Unauthorized Network Access
CVE-2026-49095 7.2 HIGH Improper Input Validation in Kibana Fleet Leading to Privilege Escalation
CVE-2026-33464 6.5 MEDIUM Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
CVE-2026-42399 6.5 MEDIUM Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
CVE-2026-42400 6.5 MEDIUM Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
CVE-2026-49094 6.5 MEDIUM Uncontrolled Resource Consumption in Kibana Leading to Denial of Service
CVE-2026-49093 6.3 MEDIUM Server-Side Request Forgery (SSRF) in Kibana Leading to Unauthorized Network Access
CVE-2026-33462 4.6 MEDIUM Path Traversal in Kibana Leading to Unauthorized Deletion of User Accounts
CVE-2026-42401 4.1 MEDIUM Improper Neutralization of Input During Web Page Generation in Kibana Leading to Stored HT

IV. Related Vulnerabilities

Same product: Kibana
Same vendor: Elastic
Same weakness: CWE-672

V. Comments for CVE-2026-33463

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