{"cve":"CVE-2025-37727","nvd":{"published":"2025-10-10T10:15:34.167","modified":"2026-10-08T13:10:00.200","status":"Analyzed","description":"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","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","score":5.7},"cwes":["CWE-532"],"references":["https://discuss.elastic.co/t/elasticsearch-8-18-8-8-19-5-9-0-8-9-1-5-security-update-esa-2025-18/382453"],"products":["elastic:elasticsearch"],"source":"nvd","synced_at":"2026-10-19T22:11:26.888974865+00:00"},"epss":{"cve":"CVE-2025-37727","score":0.00247,"percentile":0.15847,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-56r7-h6mw-rcfv","url":"https://osv.dev/vulnerability/GHSA-56r7-h6mw-rcfv","summary":"Elasticsearch: Insertion of Sensitive Information into Log File via reindex API","modified":"2026-09-29T21:45:13.828321696Z","packages":[{"ecosystem":"Maven","name":"org.elasticsearch.plugin:reindex-client","purl":"pkg:maven/org.elasticsearch.plugin/reindex-client","ranges":[">=7.0.0 <8.18.8"],"fixed":["8.18.8"]},{"ecosystem":"Maven","name":"org.elasticsearch.plugin:reindex-client","purl":"pkg:maven/org.elasticsearch.plugin/reindex-client","ranges":[">=8.19.0 <8.19.5"],"fixed":["8.19.5"]},{"ecosystem":"Maven","name":"org.elasticsearch.plugin:reindex-client","purl":"pkg:maven/org.elasticsearch.plugin/reindex-client","ranges":[">=9.0.0-beta1 <9.0.8"],"fixed":["9.0.8"]},{"ecosystem":"Maven","name":"org.elasticsearch.plugin:reindex-client","purl":"pkg:maven/org.elasticsearch.plugin/reindex-client","ranges":[">=9.1.0 <9.1.5"],"fixed":["9.1.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}