The following items have been reported to the CodeIgniter core team and addressed as potential security concerns. Not all of them will affect your sites, but you should periodically review this list to determine any threats.

These disclosures are primarily aimed at the website and surrounding environment. Security disclosures affecting the framework will be handled through GitHub's built-in Security Advisors functionality.

Disclosures
CodeIgniter.com Email Spoofing

Oct 25, 2021 - The MX reported that the codeigniter.com domain was able to be used for email spoofing due to the lack of a DKIM record. We updated the DNS to include a DKIM record as a result.