7.7
High
CVE-2026-42398 Server-Side Request Forgery (CWE-918) in Kibana allows authenticated users with connector management privileges to…
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 products and versions
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7.3
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6.5
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4.3
Medium