{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "2.13"
              },
              {
                "last_affected": "3.5"
              },
              {
                "last_affected": "3.6"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "89647c14f624320a26e30e04af865c9471189008"
            },
            {
              "last_affected": "d680c44ccdcfa638fc16c73d74cde48832701650"
            },
            {
              "last_affected": "380b8dd652251873f46a4a7d3e17e8f42cfe05fc"
            }
          ],
          "repo": "https://github.com/opensearch-project/sql",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-g4jr-343c-fvjm"
  ],
  "database_specific": {
    "cna_assigner": "AMZN",
    "cwe_ids": [
      "CWE-693"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18428.json"
  },
  "details": "A SQL query validation bypass in the Flint extension query handler in the OpenSearch SQL plugin allows a remote authenticated actor with async query access to execute arbitrary code on Apache Spark workers by sending a crafted SQL query to the direct query endpoint.",
  "id": "CVE-2026-18428",
  "modified": "2026-08-16T03:31:12.141599118Z",
  "published": "2026-08-13T17:32:48.455Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://aws.amazon.com/security/security-bulletins/2026-081-aws/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18428.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/opensearch-project/sql/security/advisories/GHSA-g4jr-343c-fvjm"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18428"
    },
    {
      "type": "FIX",
      "url": "https://docs.aws.amazon.com/opensearch-service/latest/developerguide/service-software.html"
    },
    {
      "type": "FIX",
      "url": "https://opensearch.org/artifacts/by-version/?_gl=1*d14pqp*_up*MQ..*_ga*Nzc5NTAxNzM2LjE3ODM1NTA2NDA.*_ga_BQV14XK08F*czE3ODM1NTA2NDAkbzEkZzEkdDE3ODM1NTA3MTQkajU2JGwwJGg3NTc4ODY0OTM.#release-2-19-6"
    },
    {
      "type": "FIX",
      "url": "https://opensearch.org/artifacts/by-version/?_gl=1*d14pqp*_up*MQ..*_ga*Nzc5NTAxNzM2LjE3ODM1NTA2NDA.*_ga_BQV14XK08F*czE3ODM1NTA2NDAkbzEkZzEkdDE3ODM1NTA3MTQkajU2JGwwJGg3NTc4ODY0OTM.#release-3-7-0"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "SQL Query Validation Bypass in OpenSearch Direct Query"
}