Ubuntu Security Notices USN-8287-1 USN-8287-1: XDG Desktop Portal vulnerability Publication date 20 May 2026 Overview XDG Desktop Portal could be made to delete files. Releases 25.10 24.04 LTS Open side navigation Close side navigation Packages Details Update instructions References Packages xdg-desktop-portal - A portal frontend service for Flatpak and other desktop containment frameworks Details It was discovered that XDG Desktop Portal incorrectly handled trashing files. A local attacker could possibly use this issue to delete arbitrary files on the host file system via a symlink attack. It was discovered that XDG Desktop Portal incorrectly handled trashing files. A local attacker could possibly use this issue to delete arbitrary files on the host file system via a symlink attack. Update instructions In general, a standard system update will make all the necessary changes. Learn more about how to get the fixes. The problem can be corrected by updating your system to the following package versions: Ubuntu Release Package Version 25.10 questing xdg-desktop-portal – 1.20.3+ds-1ubuntu1.1 xdg-desktop-portal-dev – 1.20.3+ds-1ubuntu1.1 24.04 LTS noble xdg-desktop-portal – 1.18.4-1ubuntu2.24.04.2 xdg-desktop-portal-dev – 1.18.4-1ubuntu2.24.04.2 Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. Get Ubuntu Pro References CVE-2026-40354 CVE-2026-40354