CVE-2026-78145 CTFd __init__.py _is_safe_url redirect

A vulnerability has been found in CTFd up to 3.8.4. The affected element is the function issafeurl of the file CTFd/utils/validators/init.py. Such manipulation of the argument Next leads to open redirect. The attack can be launched remotely. The exploit has been disclosed to the public and may be...

CVE-2026-78145 CTFd __init__.py _is_safe_url redirect

A vulnerability has been found in CTFd up to 3.8.4. The affected element is the function issafeurl of the file CTFd/utils/validators/init.py. Such manipulation of the argument Next leads to open redirect. The attack can be launched remotely. The exploit has been disclosed to the public and may be...