{"id":"BIT-elk-2026-42398","summary":"Server-Side Request Forgery (SSRF) in Kibana Leading to Unauthorized Network Access","details":"Server-Side Request Forgery (CWE-918) in Kibana allows authenticated users with connector management privileges to bypass the operator-configured connection allowlist. By configuring a Webhook connector with a crafted target, an attacker can cause Kibana to issue outbound requests to destinations that the egress restriction controls were intended to block.","aliases":["BIT-kibana-2026-42398","CVE-2026-42398"],"modified":"2026-09-08T08:47:21.869279468Z","published":"2026-06-01T11:39:11.361Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:elasticsearch:kibana:*:*:*:*:*:node.js:*:*"]},"references":[{"type":"ADVISORY","url":"https://discuss.elastic.co/t/kibana-9-2-8-and-9-3-2-security-update-esa-2026-37/386557"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42398"}],"affected":[{"package":{"name":"elk","ecosystem":"Bitnami","purl":"pkg:bitnami/elk"},"ranges":[{"type":"SEMVER","events":[{"introduced":"9.0.0"},{"fixed":"9.2.8"},{"introduced":"9.3.0"},{"fixed":"9.3.2"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/elk/BIT-elk-2026-42398.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"}]}],"schema_version":"1.9.0"}