CVE-2026-55888

XDG Desktop Portal is a desktop integration portal. Prior to version 1.22.1, malicious sandboxed applications can use the FileChooser.SaveFiles method to gain arbitrary file access to non-existing files on the host limited to files the user has access to. The FileChooser.SaveFiles method takes...

CVE-2026-55888 XDG Desktop Portal: Arbitrary file access via SaveFiles "files" option path traversal

XDG Desktop Portal is a desktop integration portal. Prior to version 1.22.1, malicious sandboxed applications can use the FileChooser.SaveFiles method to gain arbitrary file access to non-existing files on the host limited to files the user has access to. The FileChooser.SaveFiles method takes...

EUVD-2026-108752

XDG Desktop Portal is a desktop integration portal. Prior to version 1.22.1, malicious sandboxed applications can use the FileChooser.SaveFiles method to gain arbitrary file access to non-existing files on the host limited to files the user has access to. The FileChooser.SaveFiles method takes...

CVE-2026-55888

The xdg-desktop-portal desktop integration portal is vulnerable to arbitrary file access due to a path traversal flaw in the FileChooser.SaveFiles method (affecting versions prior to 1.22.1 ). Malicious sandboxed applications (e.g., via Flatpak or Snap ) can bypass validation in the frontend and ...