{"id":"BIT-elk-2026-72677","summary":"Relative Path Traversal in Kibana Fleet Leading to Unauthorized Deletion of Users and Other Resources","details":"Relative Path Traversal (CWE-23) in Kibana can lead to the unauthorized deletion of Kibana resources via Relative Path Traversal (CAPEC-139). Kibana Fleet accepted a user-supplied identifier for a Fleet Server host configuration without rejecting relative traversal sequences. The identifier is stored as provided and is later incorporated into the request that Kibana issues when that configuration is removed.","aliases":["BIT-kibana-2026-72677","CVE-2026-72677"],"modified":"2026-09-08T08:47:07.479422291Z","published":"2026-08-19T08:40:47.326Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:elasticsearch:kibana:*:*:*:*:*:node.js:*:*"]},"references":[{"type":"ADVISORY","url":"https://discuss.elastic.co/t/kibana-8-19-17-9-3-6-9-4-3-security-update-esa-2026-94/389512"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72677"}],"affected":[{"package":{"name":"elk","ecosystem":"Bitnami","purl":"pkg:bitnami/elk"},"ranges":[{"type":"SEMVER","events":[{"introduced":"8.0.0"},{"fixed":"8.19.17"},{"introduced":"9.0.0"},{"fixed":"9.3.6"},{"introduced":"9.4.0"},{"fixed":"9.4.3"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/elk/BIT-elk-2026-72677.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:H"}]}],"schema_version":"1.9.0"}