Vulnerability DatabaseCVE-2026-63259
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CVE-2026-63259
Published:July 21, 2026
Updated:August 05, 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.
Affected Packages
https://github.com/elastic/kibana.git (GITHUB):
Affected version(s) >=v9.4.0 <v9.4.4
Fix Suggestion:
Update to version v9.4.4
Related Resources (3)
https://nvd.nist.gov/vuln/detail/CVE-2026-63259
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/63xxx/CVE-2026-63259.json
https://discuss.elastic.co/t/kibana-9-4-4-security-update-esa-2026-70/388573
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
4.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Authorization Bypass Through User-Controlled Key
CWE-639
EPSS
Base Score:
0.18