{"id":"CVE-2018-3831","aliases":["GHSA-r9fv-qpm9-rj4g"],"url":"https://o3.security/vulnerability/CVE-2018-3831","summary":"Exposure of Sensitive Information to an Unauthorized Actor in Elasticsearch","details":"Elasticsearch Alerting and Monitoring in versions before 6.4.1 or 5.6.12 have an information disclosure issue when secrets are configured via the API. The Elasticsearch _cluster/settings API, when queried, could leak sensitive configuration information such as passwords, tokens, or usernames. This could allow an authenticated Elasticsearch user to improperly view these details.","published":"2018-09-19T19:29:01.343Z","modified":"2026-07-08T20:30:29.371367Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.elasticsearch:elasticsearch","fixedVersion":"5.6.12"},{"ecosystem":"Maven","name":"org.elasticsearch:elasticsearch","fixedVersion":"6.4.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://discuss.elastic.co/t/elastic-stack-6-4-1-and-5-6-12-security-update/149035"},{"type":"ADVISORY","url":"https://www.elastic.co/community/security"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:30:29.371367Z"}}