CVE-2026-42398

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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*
cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*

History

01 Jun 2026, 14:17

Type Values Removed Values Added
References () https://discuss.elastic.co/t/kibana-9-2-8-and-9-3-2-security-update-esa-2026-37/386557 - () https://discuss.elastic.co/t/kibana-9-2-8-and-9-3-2-security-update-esa-2026-37/386557 - Vendor Advisory
CPE cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*
First Time Elastic
Elastic kibana

28 May 2026, 21:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-05-28 21:16

Updated : 2026-06-01 14:17


NVD link : CVE-2026-42398

Mitre link : CVE-2026-42398

CVE.ORG link : CVE-2026-42398


JSON object : View

Products Affected

elastic

  • kibana
CWE
CWE-918

Server-Side Request Forgery (SSRF)