Detections
Analytics
CVE-2026-78581
medium
Description
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.
References
https://discuss.elastic.co/t/kibana-8-16-3-8-17-2-security-update-esa-2026-51/387446