Elastic Kibana up to 9.3.8/9.4.7/9.5.4 Fleet authorization

Summaryinfo

A vulnerability, which was classified as critical, was found in Elastic Kibana up to 9.3.8/9.4.7/9.5.4. This vulnerability affects unknown code of the component Fleet. Executing a manipulation can lead to authorization. This vulnerability is tracked as CVE-2026-102412. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability has been found in Elastic Kibana up to 9.3.8/9.4.7/9.5.4 and classified as critical. This vulnerability affects some unknown functionality of the component Fleet. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-863. The product 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Incorrect Authorization (CWE-863) in Kibana can lead to sensitive information disclosure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). An authenticated Kibana user with limited Fleet management privileges could access sensitive credential material that should be restricted to users with Fleet settings administrative access. Successful exploitation could allow an attacker to obtain private cryptographic key material configured for Fleet Server host connections, potentially enabling impersonation of trusted Fleet infrastructure components in deployments where those keys are actively used.

The advisory is shared for download at discuss.elastic.co. This vulnerability was named CVE-2026-102412 since 09/29/2026. The exploitation appears to be easy. The attack can be initiated remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/06/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• Elastic

Name

• Kibana

Version

• 9.3.0
• 9.3.1
• 9.3.2
• 9.3.3
• 9.3.4
• 9.3.5
• 9.3.6
• 9.3.7
• 9.3.8
• 9.4.0
• 9.4.1
• 9.4.2
• 9.4.3
• 9.4.4
• 9.4.5
• 9.4.6
• 9.4.7
• 9.5.0
• 9.5.1
• 9.5.2
• 9.5.3
• 9.5.4

License

• open-source

CPE 2.3info

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CPE 2.2info

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