Flatpak xdg-desktop-portal before 1.20.4 and 1.21.x before 1.21.1 allows any Flatpak app to trash any file in the host context via a symlink attack on g_file_trash.Referenceshttps://github.com/flatpak/xdg-desktop-portal/releases/tag/1.21.1https://github.com/flatpak/xdg-desktop-portal/releases/tag/1.20.4https://www.openwall.com/lists/oss-security/2026/04/10/14https://github.com/flatpak/xdg-desktop-portal/security/advisories/GHSA-rqr9-jwwf-wxgj
