CVE-2026-63259

MEDIUM

Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosure

Title source: cna

Description

Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to information disclosure via user-supplied identifiers that reference scheduled query result data from Kibana Spaces the requester is not authorized to access.

References (1)

Core 1

Core References

https://discuss.elastic.co/t/kibana-9-4-4-security-update-esa-2026-70/388573

Scores

CVSS v3 4.3

EPSS 0.0019

EPSS Percentile 8.5%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-639

Status published

Products (1)

Elastic/Kibana 9.4.0 - 9.4.3

Published Jul 21, 2026

Tracked Since Jul 22, 2026