Statamic is a Laravel and Git powered content management system (CMS). Prior to 5.73.22 and 6.18.1, the Glide image proxy's URL validation could be bypassed using an IP representation that wasn't nor…

Summary

Statamic is a Laravel and Git powered content management system (CMS). Prior to 5.73.22 and 6.18.1, the Glide image proxy's URL validation could be bypassed using an IP representation that wasn't normalized before the public-IP check. An unauthenticated user could cause the server to make HTTP requests to internal addresses — including loopback, private network, and cloud metadata endpoints. This affects sites that pass user-supplied URLs to Glide. Sites running PHP 8.3 or newer are not affecte…