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Vulnerabilities CVE-2026-78581

CVE-2026-78581

Medium
Open
TLP:CLEAR

Authorization Bypass Through User-Controlled Key in Kibana Leading to Unauthorized Data Modification in Kibana

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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.

Details

CVSS Score
4.2
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Confidence
90%
Published
Aug 25, 2026
Last Modified
Aug 25, 2026
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