{"id":"BIT-elk-2026-63139","summary":"Uncontrolled Resource Consumption in Kibana Leading to Denial of Service","details":"Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated low-privileged user can exploit an uncontrolled resource consumption vulnerability in Kibana's Canvas functionality by sending a specially crafted request, causing the Kibana server process to terminate and resulting in a denial of service for all users of the affected Kibana instance.","aliases":["BIT-kibana-2026-63139","CVE-2026-63139"],"modified":"2026-09-08T08:47:06.727172039Z","published":"2026-07-28T08:53:28.419Z","database_specific":{"cpes":["cpe:2.3:a:elasticsearch:kibana:*:*:*:*:*:node.js:*:*"],"severity":"Medium"},"references":[{"type":"ADVISORY","url":"https://discuss.elastic.co/t/kibana-8-19-19-9-3-8-9-4-4-security-update-esa-2026-63/388560"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63139"}],"affected":[{"package":{"name":"elk","ecosystem":"Bitnami","purl":"pkg:bitnami/elk"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0"},{"fixed":"8.19.19"},{"introduced":"9.0.0"},{"fixed":"9.3.8"},{"introduced":"9.4.0"},{"fixed":"9.4.4"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/elk/BIT-elk-2026-63139.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.9.0"}