{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "7.0.0"
              },
              {
                "last_affected": "7.17.29"
              },
              {
                "introduced": "8.0.0"
              },
              {
                "fixed": "8.18.8"
              },
              {
                "introduced": "8.19.0"
              },
              {
                "fixed": "8.19.5"
              },
              {
                "introduced": "9.0.0"
              },
              {
                "fixed": "9.0.8"
              },
              {
                "introduced": "9.1.0"
              },
              {
                "fixed": "9.1.5"
              }
            ]
          },
          "events": [
            {
              "introduced": "b7e28a7232616c7a21bc879a535d801b8553ba77"
            },
            {
              "last_affected": "580aff1a0064ce4c93293aaab6fcc55e22c10d1c"
            },
            {
              "introduced": "1b6a7ece17463df5ff54a3e1302d825889aa1161"
            },
            {
              "fixed": "c1310008a98b8bb63c9fc08e763de1d065b943ce"
            },
            {
              "introduced": "93788a8c2882eb5b606510680fac214cff1c7a22"
            },
            {
              "fixed": "d6dd0417f05cd69706f4f103c69bbb8b7688db9c"
            },
            {
              "introduced": "112859b85d50de2a7e63f73c8fc70b99eea24291"
            },
            {
              "fixed": "936f7cf370e0d7952bb71a98629284c3c0e0d00e"
            },
            {
              "introduced": "00e7d33bf08f1476229d9d1642e2da46cfebdd53"
            },
            {
              "fixed": "90ee222e7e0136dd8ddbb34015538f3a00c129b7"
            }
          ],
          "repo": "https://github.com/elastic/elasticsearch",
          "type": "GIT"
        }
      ]
    }
  ],
  "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",
  "id": "CVE-2025-37727",
  "modified": "2026-03-10T21:53:42.580629190Z",
  "published": "2025-10-10T10:15:34.167Z",
  "references": [
    {
      "type": "ADVISORY",
      "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"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}