CVE-2023-49948
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.
Date published : 2023-12-03
https://codeberg.org/forgejo/forgejo/commit/d7408d8b0b04afd2a3c8e23cc908e7bd3849f34d
https://codeberg.org/forgejo/forgejo/src/branch/forgejo/RELEASE-NOTES.md