Security Advisory

CVE-2026-63260

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-07-21 22:53:44

Last updated 2026-07-22 13:08:57

Assigner elastic

CVSS score 6.5

State PUBLISHED

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.

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