Kibana Reporting: Auth Bypass via Missing Disallowed Inputs (CWE-184)
CVE-2026-63142 Published on July 21, 2026
Incomplete List of Disallowed Inputs in Kibana Leading to Server-Side Request Forgery
Incomplete List of Disallowed Inputs (CWE-184) in Kibana can allow an authenticated attacker with access to the Reporting feature to bypass outbound request restrictions configured by an administrator, causing the reporting service to send requests to network destinations that should be denied by the configured security policy.
Vulnerability Analysis
CVE-2026-63142 is exploitable 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 AuthZ Vulnerability?
The software performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions.
CVE-2026-63142 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2026-63142
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Affected Versions
Elastic Kibana:- Version 9.4.0, <= 9.4.3 is affected.
- Version 8.0.0, <= 8.19.18 is affected.
- Version 9.0.0, <= 9.3.7 is affected.