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Red Hat CVE-2026-26939

| EUVD-2026-13143 MEDIUM
Missing Authorization (CWE-862)
2026-03-19 elastic
6.5
CVSS 3.1
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CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

3
EUVD ID Assigned
Mar 19, 2026 - 18:00 euvd
EUVD-2026-13143
Analysis Generated
Mar 19, 2026 - 18:00 vuln.today
CVE Published
Mar 19, 2026 - 17:11 nvd
MEDIUM 6.5

DescriptionNVD

Missing Authorization (CWE-862) in Kibana’s server-side Detection Rule Management can lead to Unauthorized Endpoint Response Action Configuration (host isolation, process termination, and process suspension) via CAPEC-1 (Accessing Functionality Not Properly Constrained by ACLs). This requires an authenticated attacker with rule management privileges.

AnalysisAI

Kibana's Detection Rule Management lacks proper authorization controls, allowing authenticated users with rule management privileges to configure unauthorized endpoint response actions including host isolation and process termination. An attacker with these privileges could exploit this missing access control to execute sensitive endpoint operations beyond their intended scope. …

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RemediationAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

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Vendor StatusVendor

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CVE-2026-26939 vulnerability details – vuln.today

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