Security Advisory

CVE-2026-42398

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-28 19:47:53

Last updated 2026-05-29 16:47:26

Assigner elastic

CVSS score 7.7

State PUBLISHED

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.

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