CTFd 3.8.9 has been released with updates to the bundled pip and certifi libraries to remove the compromised eMudhra root certificates.
We recommend all CTFd users update their instance to v3.8.9.
v3.8.9 has already been deployed to Hosted CTFd customers.
Self-hosted users can download the latest version of CTFd from Github or by downloading the latest version of the Enterprise installer from their account at https://cloud.ctfd.io/.