What’s Vulnerable › Vulnerabilities
CVE-2026-72650: Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosure
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-13 · updated 2026-09-02
- Weakness: CWE-639
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.
Affected products
- Kibana: from 8.0.0 before 8.19.20; from 9.0.0 before 9.4.5 — fixed in 8.19.20, 9.4.5
How to fix
Upgrade to a fixed version: Kibana 8.19.20, 9.4.5. Check the vendor advisory for mitigations.
References
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