CVE-2026-72650

Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosure

State: Published
Severity: 4.3 Medium
Published: Aug 13, 2026
Updated: Aug 13, 2026
Reserved: Aug 10, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	elastic

Weaknesses

CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

Product	Versions
KibanaElastic	8.0.0 through 8.19.19Affected 9.0.0 through 9.4.4Affected

References

https://discuss.elastic.co/t/kibana-8-19-20-and-9-4-5-security-update-esa-2026-105/389521

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