Elastic Kibana Auth Bypass via User-Cont Key: Unauthorized Log Disclosure
CVE-2026-115295 Published on November 3, 2026
Authorization Bypass Through User-Controlled Key in Kibana Leading to Information Disclosure
Authorization Bypass Through User-Controlled Key (CWE-639) in Kibana can lead to information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated user with read access to connectors in one Kibana space can retrieve connector execution log information from other spaces that they are not authorized to access. The disclosed information includes connector names and identifiers, execution status, timestamps, error messages, and aggregated execution statistics.
Vulnerability Analysis
CVE-2026-115295 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is an Insecure Direct Object Reference / IDOR Vulnerability?
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
CVE-2026-115295 has been classified to as an Insecure Direct Object Reference / IDOR vulnerability or weakness.
Products Associated with CVE-2026-115295
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Affected Versions
Elastic Kibana:- Version 8.7.0, <= 8.19.23 is affected.
- Version 9.0.0, <= 9.4.8 is affected.
- Version 9.5.0, <= 9.5.5 is affected.