omarchy-theme-set in Omarchy 4 before 4.0.1 allows code execution via a third-party theme because the files placed into ~/.local/state/omarchy/current/theme may include executable content from an untrusted Git repository.
https://github.com/omacom/omarchy/security/advisories/GHSA-mxm5-5433-ggf5
https://github.com/omacom/omarchy/releases/tag/v4.0.1
https://github.com/omacom/omarchy/pull/7884
https://github.com/omacom/omarchy/commit/ef6d9e6605b121df15bf310e630e04f0c1119fc8