What is CVE-2026-72650?

CVE-2026-72650 is a medium-severity vulnerability in Elastic Kibana, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-08-13.

How severe is CVE-2026-72650?

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

Auth bypass in Elastic Kibana

CVE-2026-72650

Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user who is authorized to read alerting rules in a single Kibana space could retrieve alerting rule execution telemetry that belongs to spaces the user is not authorized to access. The disclosed telemetry includes rule identifiers, rule names, space identifiers, execution outcomes, timestamps, and execution counters.

Vulnerability class: IDOR (Insecure Direct Object Reference)

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 8.0.0, 9.0.0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

security@elastic.co

Frequently asked questions

What is CVE-2026-72650?: CVE-2026-72650 is a medium-severity vulnerability in Elastic Kibana, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-08-13.
How severe is CVE-2026-72650?: Medium severity. CVSS v3 base score is 4.3 out of 10.