{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:maven/org.apache.dolphinscheduler/dolphinscheduler-api",
          "product": "Apache DolphinScheduler",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThan": "3.4.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "n0mi1k"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "meifukun"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Mingsheng Lin"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Th\u00e0nh Nguy\u1ec5n"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "Raphael Zanarelli"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "geo-chen"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "<p>The <code>/datasources/unauth-datasource</code> endpoint does not properly enforce data source authorization. An authenticated user can invoke this endpoint to obtain information about data sources they are not authorized to access. This may expose data source configuration and other sensitive metadata, depending on the fields returned by the endpoint.</p><p>This issue affects Apache DolphinScheduler: before 3.4.3.</p><p>Users are recommended to upgrade to version 3.4.3, which fixes the issue.</p>"
            }
          ],
          "value": "The /datasources/unauth-datasource endpoint does not properly enforce data source authorization. An authenticated user can invoke this endpoint to obtain information about data sources they are not authorized to access. This may expose data source configuration and other sensitive metadata, depending on the fields returned by the endpoint.\n\n\n\nThis issue affects Apache DolphinScheduler: before 3.4.3.\n\n\n\nUsers are recommended to upgrade to version 3.4.3, which fixes the issue."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "text": "moderate"
            },
            "type": "Textual description of severity"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-306",
              "description": "CWE-306 Missing authentication for critical function",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09"
      },
      "references": [
        {
          "tags": [
            "vendor-advisory"
          ],
          "url": "https://lists.apache.org/thread/b6brfom0jmy9kdt40qrn6dq0x4v2wxdr"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Unauthorized Disclosure of Data Source Information via /datasources/unauth-datasource",
      "x_generator": {
        "engine": "Vulnogram 1.0.3"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
    "cveId": "CVE-2026-66083",
    "serial": 1,
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.0"
}