Auth bypass in Elastic Kibana

CVE-2026-63262

Missing Authorization (CWE-862) in Kibana can lead to unauthorized cross-space information disclosure via user-supplied input that circumvents space-level access control.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-63262?
CVE-2026-63262 is a medium-severity vulnerability in Elastic Kibana, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-07-22.
How severe is CVE-2026-63262?
Medium severity. CVSS v3 base score is 4.3 out of 10.