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: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 01 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*

Fri, 29 May 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 28 May 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Elastic
Elastic kibana
Vendors & Products Elastic
Elastic kibana

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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: elastic

Published:

Updated: 2026-05-29T16:47:26.181Z

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

Link: CVE-2026-42398

cve-icon Vulnrichment

Updated: 2026-05-29T16:21:50.705Z

cve-icon NVD

Status : Analyzed

Published: 2026-05-28T21:16:30.180

Modified: 2026-06-01T14:17:50.670

Link: CVE-2026-42398

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-28T22:00:14Z

Weaknesses