Forgejo before 1.20.5-1 allows remote attackers to test for the existence of private user accounts by appending .rss (or another extension) to a URL.

Forgejo before 1.20.5-1 allows 2FA bypass when docker login uses Basic Authentication.

In Forgejo before 1.20.5-1, certain endpoints do not check whether an object belongs to a repository for which permissions are being checked. This allows remote attackers to read private issues, read private pull requests, delete issues, and perform other unauthorized actions.