Name: CVE-2026-40354: UNIX Symbolic Link (Symlink) Following
Creator: Rapid7
Published: 2026-04-11T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-40354, CVSS 2.9, EPSS 0.00157

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.

CVSS Details

CVSS 3.1 Base Score: 2.9
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Amazon Linux Ami 2	—	Upgrade xdg-desktop-portalUpgrade xdg-desktop-portal-develUpgrade xdg-desktop-portal-debuginfo	May 20, 2026	May 20, 2026
Amazon_linux_2023	—	Upgrade xdg-desktop-portal-debuginfoUpgrade xdg-desktop-portal-develUpgrade xdg-desktop-portalUpgrade xdg-desktop-portal-debugsource	May 19, 2026	Apr 11, 2026
Redhat_linux	—	No solution exists	Jul 17, 2026	Apr 11, 2026
Ubuntu	—	Upgrade xdg-desktop-portal-devUpgrade xdg-desktop-portal	May 25, 2026	May 20, 2026

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CVSS Details

Covered by Rapid7

Prioritise with Active Threat Intelligence