medium4.2
CVE-2026-78581
Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to unauthorized data modification via Accessing Functionality Not Properly Constr…
Impact
Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to unauthorized data modification via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, an authenticated user could reference another user's AI Assistant conversation identifier to access or modify a conversation they do not own. Successful exploitation requires knowledge of a hard-to-guess identifier.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Elastic | Kibana | from 8.0.0 before 8.16.3 from 8.17.0 before 8.17.2 |