What is CVE-2026-63143?

CVE-2026-63143 is a medium-severity vulnerability in Elastic Kibana, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-07-21.

How severe is CVE-2026-63143?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Elastic Kibana

CVE-2026-63143

Missing Authorization (CWE-862) in Kibana can lead to unauthorized information disclosure via Privilege Abuse (CAPEC-122). A user with limited feature privileges can access workflow execution outputs in their Kibana space without the autho…

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

Elastic Kibana — versions 9.4.0, 9.3.0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

security@elastic.co

Frequently asked questions

What is CVE-2026-63143?: CVE-2026-63143 is a medium-severity vulnerability in Elastic Kibana, classified under Missing Authorization. CVSS score: 4.3/10. Published 2026-07-21.
How severe is CVE-2026-63143?: Medium severity. CVSS v3 base score is 4.3 out of 10.