{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.3.7.10"
              }
            ],
            "source": [
              "DESCRIPTION",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5e57b96efb515944b9eb3aaa90761e7356079fdc"
            },
            {
              "fixed": "06ef8dcac471201748516ca743694159cb846a9d"
            }
          ],
          "repo": "https://github.com/mythicalltd/featherpanel",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-862"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84715.json"
  },
  "details": "FeatherPanel versions before 1.3.7.10 fail to validate permissions in the SubuserController updateSubuser handler, allowing authenticated subusers to modify their own permission records. A subuser with minimal permissions can send a crafted request to grant themselves full server control, enabling unauthorized access to sensitive data, backups, and server configuration.",
  "id": "CVE-2026-84715",
  "modified": "2026-09-12T03:30:16.237590481Z",
  "published": "2026-09-02T01:18:16.328Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/84xxx/CVE-2026-84715.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/MythicalLTD/FeatherPanel/releases/tag/v1.3.7.10"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-84715"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/featherpanel-before-1.3.7.10-privilege-escalation-via-subuser-permission-update"
    },
    {
      "type": "FIX",
      "url": "https://github.com/MythicalLTD/FeatherPanel/commit/06ef8dcac471201748516ca743694159cb846a9d"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/MythicalLTD/FeatherPanel"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/MythicalLTD/FeatherPanel/blob/376b003aa9685b74153d239d2b3f64a752cdc0f0/backend/app/Controllers/User/Server/SubuserController.php#L454"
    },
    {
      "type": "ARTICLE",
      "url": "https://github.com/MythicalLTD/FeatherPanel/blob/376b003aa9685b74153d239d2b3f64a752cdc0f0/backend/app/Helpers/ServerGateway.php"
    }
  ],
  "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": "FeatherPanel before 1.3.7.10 Privilege Escalation via Subuser Permission Update"
}