CVE-2026-40354

A flaw was found in Flatpak xdg-desktop-portal. A malicious Flatpak application can exploit this vulnerability by performing a symbolic link symlink attack on the gfiletrash function. This allows the Flatpak application to delete any file on the host system, leading to a denial of service...

DEBIAN-CVE-2026-40354

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 gfiletrash...

UBUNTU-CVE-2026-40354

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 gfiletrash...

CVE-2026-40354

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 gfiletrash...

CVE-2026-40354

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 gfiletrash...

CVE-2026-40354

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 gfiletrash...

CVE-2026-40354

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 gfiletrash...

CVE-2026-40354

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 gfiletrash...

XDG Desktop Portal security vulnerabilities

XDG Desktop Portal is a frontend service for the desktop application sandbox environment developed by Flatpak. Versions of XDG Desktop Portal prior to 1.20.4 and 1.21.1 contained security vulnerabilities. These vulnerabilities stemmed from the possibility for any Flatpak application to manipulate...

CVE-2026-40354: UNIX Symbolic Link (Symlink) Following

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 gfiletrash...