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CVE-2026-42398

nvd nist
Published: May 28, 2026Modified: Jun 17, 2026

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7.7
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Exploitability: 3.1 / Impact: 4.0
Source: security@elastic.co (Secondary)

Description

Server-Side Request Forgery (CWE-918) in Kibana allows authenticated users with connector management privileges to bypass the operator-configured connection allowlist. By configuring a Webhook connector with a crafted target, an attacker can cause Kibana to issue outbound requests to destinations that the egress restriction controls were intended to block.

Affected (2)

Products: Elastic: Kibana
Elastic
1 product
Kibana
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Elastic
Kibana
From 9.0.0 to 9.2.8
Kibana
From 9.3.0 to 9.3.2

Related CWEs

CWE-918
Server-Side Request Forgery (SSRF)
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

References (1)

Source: security@elastic.co
Vendor Advisory

Timeline

No history available yet.