{"id":"BIT-elk-2026-42397","summary":"Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Service","details":"Allocation of Resources Without Limits or Throttling (CWE-770) in Kibana can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted request to affected Entity Analytics endpoints containing an oversized input value that causes excessive resource consumption, which may render Kibana unavailable.","aliases":["BIT-kibana-2026-42397","CVE-2026-42397"],"modified":"2026-09-08T08:47:20.168093689Z","published":"2026-07-28T08:53:13.941Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:elasticsearch:kibana:*:*:*:*:*:node.js:*:*"]},"references":[{"type":"ADVISORY","url":"https://discuss.elastic.co/t/kibana-9-3-7-9-4-4-security-update-esa-2026-55/388554/1"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42397"}],"affected":[{"package":{"name":"elk","ecosystem":"Bitnami","purl":"pkg:bitnami/elk"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.3.0"},{"fixed":"9.3.7"},{"introduced":"9.4.0"},{"fixed":"9.4.4"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/elk/BIT-elk-2026-42397.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"}