CVE-2026-0531
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
2Description
Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana Fleet can lead to Excessive Allocation (CAPEC-130) via a specially crafted bulk retrieval request. This requires an attacker to have low-level privileges equivalent to the viewer role, which grants read access to agent policies. The crafted request can cause the application to perform redundant database retrieval operations that immediately consume memory until the server crashes and becomes unavailable to all users.
Analysis
Kibana Fleet is vulnerable to denial of service through uncontrolled resource allocation when processing specially crafted bulk retrieval requests, allowing authenticated users with viewer-level privileges to exhaust server memory and crash the application. An attacker can trigger redundant database operations that consume resources without limits, rendering the service unavailable to all users. …
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Remediation
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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