CVE-2026-40354
Published:April 11, 2026
Updated:April 23, 2026
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.
Affected Packages
https://github.com/flatpak/xdg-desktop-portal.git (GITHUB):
Affected version(s) =1.21.0 <1.21.1Fix Suggestion:
Update to version 1.21.1https://github.com/flatpak/xdg-desktop-portal.git (GITHUB):
Affected version(s) >=0.1 <1.20.4Fix Suggestion:
Update to version 1.20.4Related Resources (4)
Do you need more information?
Contact UsCVSS v4
Base Score:
2.1
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
LOW
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
2.9
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW
Weakness Type (CWE)
UNIX Symbolic Link (Symlink) Following
EPSS
Base Score:
0.01
