What’s Vulnerable › Vulnerabilities
CVE-2026-33463: Operation on a Resource after Expiration or Termination in Kibana Leading to Unauthorized File Access
- Severity: medium (CVSS 5.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-28 · updated 2026-10-14
- Weakness: CWE-672
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.
Affected products
- Kibana: from 8.0.0 before 8.19.16; from 9.0.0 before 9.3.5 — fixed in 8.19.16, 9.3.5
How to fix
Upgrade to a fixed version: Kibana 8.19.16, 9.3.5. Check the vendor advisory for mitigations.
References
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