CVE-2026-63259 PUBLISHED

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

Assigner: elastic
Reserved: 16.07.2026 Published: 21.07.2026 Updated: 22.07.2026

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.

Metrics

CVSS 3.1

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

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Elastic
Product	Kibana
Versions	Default: unaffected affected from 9.4.0 to 9.4.3 (incl.)

References

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

Problem Types

CWE-639 Authorization Bypass Through User-Controlled Key CWE

Impacts

CAPEC-122 Privilege Abuse