CTFd

@ctfdio

The open source Capture The Flag framework for hiring hackers, training developers, and teaching students

New York, NY

ctfd.io

Joined April 2016

26 Following

1,796 Followers

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CTFd
@ctfdio
Sep 16, 2025
CTFd 3.8.0 has been released with new analytics and quality-of-life improvements for both admins and participants. Challenge solutions, Challenge Ratings, the new Challenge logic field and other improvements are available in CTFd 3.8.0. Read More:
blog.ctfd.io
CTFd 3.8.0
CTFd 3.8.0 has been released with new analytics and quality-of-life improvements for both admins and participants. Challenge solutions, Challenge Ratings, the new Challenge logic field and other...
CTFd
@ctfdio
Oct 22
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.
blog.ctfd.io
CTFd 3.8.9
CTFd 3.8.9 has been released with updates to the bundled pip and certifi libraries to remove the compromised eMudhra root certificates.
CTFd
@ctfdio
Oct 2
CTFd 3.8.8 is now available with fixes for four security vulnerabilities, including a critical vulnerability affecting password reset. We strongly recommend all users upgrade to v3.8.8.
blog.ctfd.io
CTFd 3.8.8
CTFd 3.8.8 has been released with security fixes for 4 vulnerabilities, including one critical vulnerability.
CTFd
@ctfdio
Aug 19
CTFd 3.8.7 has been released with fixes for two vulnerabilities. An unintended API leak of private Custom Fields and a issue where challenge max attempts could sometimes be bypassed. We recommend all CTFd users update their instance to v3.8.7.
blog.ctfd.io
CTFd 3.8.7
CTFd 3.8.7 has been released with fixes for the following security vulnerabilities: * Fixed an issue where where the REST API would return the values of Custom Fields despite the field not being set...
CTFd
@ctfdio
Jun 16
CTFd 3.8.6 has been released with a security fix for a vulnerability where a malicious admin could disclose internal SMTP credentials.
blog.ctfd.io
CTFd 3.8.6
CTFd 3.8.6 has been released with a security fix for a vulnerability where a malicious admin could disclose internal SMTP credentials.