CVE-2026-78581

MediumCVSS 4.2/10Last modified Sep 2, 2026

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.

Metrics

CVSS 3.1 4.2/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-639

Affected software

No affected versions have been published.

Timeline

Published: Aug 25, 2026
Last modified: Sep 2, 2026
NVD status: Analyzed

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