{"id":"CVE-2025-37727","aliases":["BIT-elasticsearch-2025-37727","GHSA-56r7-h6mw-rcfv"],"url":"https://o3.security/vulnerability/CVE-2025-37727","summary":"Elasticsearch Insertion of sensitive information in log file","details":"Insertion of sensitive information in log file in Elasticsearch can lead to loss of confidentiality under specific preconditions when auditing requests to the  reindex API https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-reindex","published":"2025-10-10T09:56:15.234Z","modified":"2026-08-12T14:52:38.074947Z","cvss":{"score":5.7,"severity":"MEDIUM","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"epss":{"score":0.00247,"percentile":0.16208,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.elasticsearch:elasticsearch","fixedVersion":"8.18.8"},{"ecosystem":"Maven","name":"org.elasticsearch:elasticsearch","fixedVersion":"8.19.5"},{"ecosystem":"Maven","name":"org.elasticsearch:elasticsearch","fixedVersion":"9.0.8"},{"ecosystem":"Maven","name":"org.elasticsearch:elasticsearch","fixedVersion":"9.1.5"}],"fix":{"url":"https://github.com/elastic/elasticsearch/commit/e982eef416a5e1c2a4e94236d7d3b33b5c8d07db","label":"elastic/elasticsearch@e982eef"},"references":[{"type":"WEB","url":"https://discuss.elastic.co/t/elasticsearch-8-18-8-8-19-5-9-0-8-9-1-5-security-update-esa-2025-18/382453"},{"type":"WEB","url":"https://github.com/elasticsearch"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37727.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-37727"},{"type":"WEB","url":"https://github.com/elastic/elasticsearch/commit/e982eef416a5e1c2a4e94236d7d3b33b5c8d07db"},{"type":"PACKAGE","url":"https://github.com/elastic/elasticsearch"},{"type":"WEB","url":"https://www.elastic.co/guide/en/elasticsearch/reference/8.18/release-notes-8.18.8.html"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T14:52:38.074947Z"}}