CVE-2026-33463

MEDIUM

Operation on a Resource after Expiration or Termination in Kibana Leading to Unauthorized File Access

Title source: cna

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.

References (1)

Core 1

Core References

https://discuss.elastic.co/t/8-19-16-9-3-5-security-update-esa-2026-33/386551

Scores

CVSS v3 5.3

EPSS 0.0023

EPSS Percentile 13.4%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable yes

Technical Impact partial

Details

CWE

CWE-672

Status published

Products (3)

Elastic/Kibana 8.0.0 - 8.19.15

elastic/kibana 8.0.0 - 8.19.16

Elastic/Kibana 9.0.0 - 9.3.4

Published May 28, 2026

Tracked Since May 29, 2026