Kibana Token Bypass: Post-Expiration Access (CVE-2026-33463)
CVE-2026-33463 Published on May 28, 2026
Operation on a Resource after Expiration or Termination in Kibana Leading to Unauthorized File Access
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.
Vulnerability Analysis
CVE-2026-33463 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
Operation on a Resource after Expiration or Release
The software uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked.
Products Associated with CVE-2026-33463
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Affected Versions
Elastic Kibana:- Version 8.0.0, <= 8.19.15 is affected.
- Version 9.0.0, <= 9.3.4 is affected.