{"id":"CVE-2024-11716","details":"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.\nThis 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.","modified":"2026-08-12T03:51:26.217128569Z","published":"2025-01-02T16:07:46.868Z","database_specific":{"cna_assigner":"CERT-PL","cwe_ids":["CWE-837"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/11xxx/CVE-2024-11716.json"},"references":[{"type":"WEB","url":"http://seclists.org/fulldisclosure/2024/Dec/21"},{"type":"WEB","url":"https://ctfd.io/"},{"type":"ADVISORY","url":"https://blog.ctfd.io/ctfd-3-7-5/"},{"type":"ADVISORY","url":"https://cert.pl/en/posts/2025/01/CVE-2024-11716"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/11xxx/CVE-2024-11716.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-11716"},{"type":"FIX","url":"https://github.com/CTFd/CTFd/pull/2636"},{"type":"PACKAGE","url":"https://github.com/CTFd/CTFd"},{"type":"EVIDENCE","url":"https://seclists.org/fulldisclosure/2024/Dec/21"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/ctfd/ctfd","events":[{"introduced":"6ce3eb10745283c57f2ef1aa1119ae46961a3bc3"},{"last_affected":"0d12a13d6a39d5b9dc21c5efd4e29c4ca05e6128"}],"database_specific":{"extracted_events":[{"introduced":"3.7.0"},{"last_affected":"3.7.4"}],"source":"AFFECTED_FIELD"}}],"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"}}],"schema_version":"1.9.0","severity":[{"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"}]}