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Vulnerabilities CVE-2026-63260

CVE-2026-63260

Medium
Open
TLP:CLEAR

Uncontrolled Resource Consumption in Kibana Leading to Denial of Service

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Description

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated attacker with low-privilege access can trigger a denial of service condition in Kibana by sending a specially crafted, oversized request payload. Processing this user-supplied input requires resource-intensive memory allocation that can exhaust the available heap memory in the Kibana process, causing it to crash and become unavailable to all users.

Details

CVSS Score
6.5
EPSS Score
0.27%

19th percentile

CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Confidence
90%
Published
Jul 21, 2026
Last Modified
Jul 21, 2026
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