4.2
Medium
CVE-2026-78581 Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to unauthorized data modification via…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Kibana 8.0 | 8.0.0 → 8.16.2 | No fix stated |
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4.3
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