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.
Published: 2026-05-28
Score: 7.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
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History

Thu, 28 May 2026 20:45:00 +0000

Type Values Removed Values Added
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.
Title Server-Side Request Forgery (SSRF) in Kibana Leading to Unauthorized Network Access
Weaknesses CWE-918
References
Metrics cvssV3_1

{'score': 7.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: elastic

Published:

Updated: 2026-05-28T19:47:53.440Z

Reserved: 2026-04-27T10:14:34.318Z

Link: CVE-2026-42398

cve-icon Vulnrichment

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cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses