CVE-2026-78598
Incorrect Authorization in Kibana Leading to Unauthorized Cross-Space Exposure of Machine Learning Job Data
CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th
Incorrect Authorization (CWE-863) in the Kibana machine learning feature can lead to information disclosure via Exploiting Incorrectly Configured Access Control Security Levels (CAPEC-180). An authenticated user holding machine learning job management privileges within a single Kibana space could cause a job's saved object to become accessible across all spaces in the Kibana instance, without holding access rights to those additional spaces.
| CWE | CWE-863 |
| Vendor | elastic |
| Product | kibana |
| Published | Sep 2, 2026 |
| Last Updated | Sep 2, 2026 |
Stay Ahead of the Next One
Get instant alerts for elastic kibana
Be the first to know when new medium vulnerabilities affecting elastic kibana are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None
Affected Versions
Elastic / Kibana
8.0.0 ≤ 8.19.18 9.0.0 ≤ 9.3.7 9.4.0 ≤ 9.4.3