Apache DolphinScheduler: An incorrect authorization vulnerability allows authenticated users to access alert instances associated with alert groups they do not have permission to access.

{
  "id": "4cf35cc87b02a81e24c982d3ca6b53128e2d3daa4df13699564f7ff143040c1e",
  "url": "https://osv.dev/vulnerability/CVE-2026-47340",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Apache DolphinScheduler: An incorrect authorization vulnerability allows authenticated users to access alert instances associated with alert groups they do not have permission to access.",
    "summary": "Allow authenticated users to access alert instances associated with alert groups they do not have permission to access. in Apache DolphinScheduler. This issue affects Apache DolphinScheduler: before 3.4.2. Users are recommended to upgrade to version 3.4.2, which fixes the issue.",
    "evidence": "osv:CVE-2026-47340",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-47340",
      "aliases": [
        "CVE-2026-47340",
        "GHSA-694g-j8pj-cjj5"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/dolphinscheduler",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "71eb6412f940afa1f171f1097dc0e99ed61d16e2"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:dolphinscheduler:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.4.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "1.1.0-preview"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-47340.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:41.293044050Z",
      "provider": "osv",
      "references": [
        "https://repo.maven.apache.org/maven2",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47340.json",
        "https://lists.apache.org/thread/gx6v1wjb6qg3fzksxomysspy2gw54ooc",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-47340"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-200"
        ],
        "cna_assigner": "apache",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "3.4.2"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/47xxx/CVE-2026-47340.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-47340",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 509145,
  "published_at": "2026-06-17T09:00:12.475+00:00"
}