What is CVE-2026-63137?

CVE-2026-63137 is a high-severity vulnerability in Elastic Kibana, classified under Incorrect Authorization. CVSS score: 8.3/10. Published 2026-09-01.

How severe is CVE-2026-63137?

High severity. CVSS v3 base score is 8.3 out of 10.

Auth bypass in Elastic Kibana

CVE-2026-63137

Incorrect Authorization (CWE-863) in Kibana can lead to privilege escalation via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). A user holding workflow edit permissions could cause scheduled workflow executions to run with the privileges of a different, higher-privileged user, allowing access to and modification of data beyond their own authorization scope.

Vulnerability class: Broken Access Control

CVSS v3 metric

CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L.

Affected products

Elastic Kibana

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security@elastic.co

Frequently asked questions

What is CVE-2026-63137?: CVE-2026-63137 is a high-severity vulnerability in Elastic Kibana, classified under Incorrect Authorization. CVSS score: 8.3/10. Published 2026-09-01.
How severe is CVE-2026-63137?: High severity. CVSS v3 base score is 8.3 out of 10.