{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "2.15.0"
              },
              {
                "fixed": "3.5.0"
              },
              {
                "fixed": "3.7.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "c0de31a0e99bfc3ab8201706e4d8d74db8a0f4e6"
            },
            {
              "fixed": "1435464d84e284d514817616c3b957228f1c5518"
            },
            {
              "fixed": "c60816f3eab8d2ba1e505e232cbe53da85634867"
            }
          ],
          "repo": "https://github.com/opensearch-project/security-analytics",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-w946-8jxc-6v3m"
  ],
  "database_specific": {
    "cna_assigner": "AMZN",
    "cwe_ids": [
      "CWE-918"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18952.json"
  },
  "details": "Missing input validation in the threat intelligence feed parser in the OpenSearch Security Analytics plugin might allow an authenticated remote user to perform server-side request forgery and read local files via a crafted URL parameter to the threat intel source configuration endpoint.",
  "id": "CVE-2026-18952",
  "modified": "2026-08-23T03:42:34.763995939Z",
  "published": "2026-08-12T18:42:38.633Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://aws.amazon.com/security/security-bulletins/2026-079-aws/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18952.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/opensearch-project/security-analytics/security/advisories/GHSA-w946-8jxc-6v3m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18952"
    },
    {
      "type": "FIX",
      "url": "https://docs.aws.amazon.com/opensearch-service/latest/developerguide/service-software.html"
    }
  ],
  "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:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Missing Input Validation in Threat Intel Feed Parser in OpenSearch Security Analytics Plugin"
}