AI and data stack advisories

Severe, 6 weeks1496Projects326

1496 severe, 6 weeks · 326 projects

ElasticCVE-2026-63261

Elastic Kibana: resource exhaustion

Elastic

CVE-2026-63261 · Published Jul 21, 2026 · updated Aug 3, 2026

Medium6.5
No fix yet
Elastic advisory

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user can send a specially crafted request to a Kibana machine learning feature, causing the server to exhaust available memory and become unavailable to all users.

Affected versions

PackageAffectedFixed in
Kibana
Product
>= 8.0.0, <= 8.19.18No fix yet
>= 9.4.0, <= 9.4.3No fix yet
>= 9.0.0, <= 9.3.7No fix yet
Details and references
CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity from
the vendor (its own CVE record or advisory)
Weakness
CWE-400

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