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CTFd
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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
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  • Pinned
    user avatar
    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...
  • user avatar
    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.
  • user avatar
    CTFd
    @ctfdio
    May 19
    CTFd 3.8.5 has been released with a security fix for an open redirect that affected certain browsers.
    blog.ctfd.io
    CTFd 3.8.5
    CTFd 3.8.5 has been released with a security fix for an open redirect vulnerability. A bypass that affected certain browsers was identified for the open redirect vulnerability patched in 3.8.4. For...
  • user avatar
    CTFd
    @ctfdio
    Apr 20
    CTFd 3.8.4 has been released with fixes for two vulnerabilities. The first allows an attacker to cause malicious links to be served to other users possibly resulting in JS execution. The second is an open redirect for users via malicious crafted URLs.
    blog.ctfd.io
    CTFd 3.8.4
    CTFd 3.8.4 has been released with security fixes for two vulnerabilities. The first vulnerability allows an attacker to cause partially controlled links to be served to other users. The second is an...
  • user avatar
    CTFd
    @ctfdio
    Feb 5
    CTFd 3.8.2 has been released with a security fix for a vulnerability where a malicious admin user could import a crafted zip file to write files arbitrarily depending on the configuration of CTFd.
    blog.ctfd.io
    CTFd 3.8.2
    CTFd 3.8.2 has been released with a security fix for a vulnerability where a malicious admin user could import a crafted zip file to write files arbitrarily depending on the configuration of CTFd.

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