CVE-2026-78606
Last modified
CVE-2026-78606 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized disclosure, modification, and deletion of data via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Where two authenticated principals originating from different authentication realms share the same username value, one could read, modify, and delete the other's private Elastic AI Assistant Knowledge Base entries.. EPSS estimates a 0.14% chance of exploitation in the next 30 days.
Description
Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized disclosure, modification, and deletion of data via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Where two authenticated principals originating from different authentication realms share the same username value, one could read, modify, and delete the other's private Elastic AI Assistant Knowledge Base entries.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Elastic | Kibana | >= 8.19.11, < 8.19.21 |
| Elastic | Kibana | >= 9.3.0, < 9.4.6 |
| Elastic | Kibana | >= 9.5.0, < 9.5.2 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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