CVE-2026-78596
Missing Authorization in Kibana Leading to Unauthorized Cross-Space Write Operations
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862) in Kibana can lead to unauthorized modification of data via Privilege Abuse (CAPEC-122). An authenticated user holding Security read-level access in a single Kibana space could trigger Entity Analytics migration operations that perform privileged writes across all Kibana spaces, regardless of that user's actual access scope.
| CWE | CWE-862 |
| Vendor | elastic |
| Product | kibana |
| Published | Sep 3, 2026 |
| Last Updated | Sep 3, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
Affected Versions
Elastic / Kibana
8.18.3 ≤ 8.19.20 9.0.3 ≤ 9.4.5 9.5.0 ≤ 9.5.2