CVE-2024-11716

5.3 mediumEPSS 12%

Medium (5.3). EPSS 12% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.3 medium

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

EPSS: 12% chance of exploitation in the next 30 days; higher than 96% of CVEs (scores of 2026-10-31)
CWE: CWE-837
Published: 2025-01-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://blog.ctfd.io/ctfd-3-7-5/
https://cert.pl/en/posts/2025/01/CVE-2024-11716
https://ctfd.io/
https://github.com/CTFd/CTFd/pull/2636
https://seclists.org/fulldisclosure/2024/Dec/21

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