{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "7.0.0"
              },
              {
                "fixed": "7.17.24"
              },
              {
                "introduced": "8.0.0"
              },
              {
                "fixed": "8.15.0"
              }
            ],
            "source": "CPE_RANGE"
          },
          "events": [
            {
              "introduced": "b7e28a7232616c7a21bc879a535d801b8553ba77"
            },
            {
              "fixed": "fcf25fff740db6ab3ed5d145c58d70e4c3528ea7"
            },
            {
              "introduced": "1b6a7ece17463df5ff54a3e1302d825889aa1161"
            },
            {
              "fixed": "1a77947f34deddb41af25e6f0ddb8e830159c179"
            }
          ],
          "repo": "https://github.com/elastic/elasticsearch",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "elastic",
    "cwe_ids": [
      "CWE-400"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49090.json",
    "unresolved_ranges": [
      {
        "extracted_events": [
          {
            "introduced": "8.0.0"
          },
          {
            "last_affected": "8.14.3"
          },
          {
            "introduced": "7.0.0"
          },
          {
            "last_affected": "7.17.23"
          }
        ],
        "source": "AFFECTED_FIELD"
      }
    ]
  },
  "details": "Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). An authenticated user can submit a specially crafted bulk request that causes sustained high CPU consumption, which can render the affected node unable to process requests.",
  "id": "CVE-2026-49090",
  "modified": "2026-07-15T01:48:59.581090726Z",
  "published": "2026-07-01T17:15:54.359Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://discuss.elastic.co/t/elasticsearch-7-17-24-8-15-0-security-update-esa-2026-52"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49090.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49090"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Service"
}