CVE-2026-78581
Medium · 4.2CVSS
4.2
EPSS
0.2%
Published
Aug 25, 2026
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
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Related vulnerabilities
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