Security advisory

{
  "id": "6ddf0d9b0ab09a29b32b506cb7ac8135df91b03da8efb091788adbab30c66a09",
  "url": "https://osv.dev/vulnerability/CVE-2024-11716",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2024-11716",
    "summary": "While assignment of a user to a team (bracket) in CTFd should be possible only once, at the registration, a flaw in logic implementation allows an authenticated user to reset it's bracket and then pick a new one, joining another team while a competition is already ongoing. This issue impacts releases from 3.7.0 up to 3.7.4 and was addressed by pull request 2636 https://github.com/CTFd/CTFd/pull/2636 included in 3.7.5 release.",
    "evidence": "osv:CVE-2024-11716",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-11716",
      "aliases": [
        "CVE-2024-11716"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/ctfd/ctfd",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6ce3eb10745283c57f2ef1aa1119ae46961a3bc3"
                },
                {
                  "last_affected": "0d12a13d6a39d5b9dc21c5efd4e29c4ca05e6128"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "3.7.0"
                      },
                      {
                        "last_affected": "3.7.4"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.7.4",
            "3.7.3",
            "3.7.2",
            "3.7.1",
            "3.7.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-11716.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.763288454Z",
      "provider": "osv",
      "references": [
        "https://ctfd.io/",
        "https://blog.ctfd.io/ctfd-3-7-5/",
        "https://cert.pl/en/posts/2025/01/CVE-2024-11716",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/11xxx/CVE-2024-11716.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-11716",
        "https://github.com/CTFd/CTFd/pull/2636",
        "https://github.com/CTFd/CTFd",
        "https://seclists.org/fulldisclosure/2024/Dec/21"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-837"
        ],
        "cna_assigner": "CERT-PL",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "3.7.0"
                  },
                  {
                    "last_affected": "3.7.4"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/11xxx/CVE-2024-11716.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-11716",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521650,
  "published_at": "2025-01-02T16:07:46.868+00:00"
}