{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.13.0"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6a7fc51a2361d83cad994f659a0fa6c458a33bd5"
            }
          ],
          "repo": "https://github.com/pterodactyl/wings",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-ghrq-5wpp-hxx5"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-129",
      "CWE-248",
      "CWE-617",
      "CWE-755"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52856.json"
  },
  "details": "Wings is the server control plane for Pterodactyl, a free, open-source game server management panel. Prior to 1.13.0, a malformed packet received during the SFTP connection handshake causes a Go panic. This issue is fixed in version 1.13.0.",
  "id": "CVE-2026-52856",
  "modified": "2026-08-04T11:30:55.897075236Z",
  "published": "2026-07-31T16:20:31.222Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/pterodactyl/wings/releases/tag/v1.13.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/52xxx/CVE-2026-52856.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/pterodactyl/wings/security/advisories/GHSA-ghrq-5wpp-hxx5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-52856"
    },
    {
      "type": "FIX",
      "url": "https://github.com/pterodactyl/wings/commit/8e49c7c0eda815d3ada171831876a1c14c493026"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Wings: Maliciously crafted packet during SFTP connection handshake causes denial of service"
}