CVE-2026-63259

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

State: Published
Severity: 4.3 Medium
Published: Jul 21, 2026
Updated: Jul 22, 2026
Reserved: Jul 16, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	elastic

Weaknesses

CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

Product	Versions
KibanaElastic	9.4.0 through 9.4.3Affected

References

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

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