CVE-2026-63260 – Uncontrolled Resource Consumption in Kibana Leading to Denial of Service

CVE ID :CVE-2026-63260

Published : July 21, 2026, 11:18 p.m. | 27 minutes ago

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.

Severity: 6.5 | MEDIUM

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