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 g_file_trash.

CVSS v3 2.9 LOW

2.9^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.4 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/flatpak/xdg-desktop-portal/releases/tag/1.20.4	Product
https://github.com/flatpak/xdg-desktop-portal/releases/tag/1.21.1	Product
https://github.com/flatpak/xdg-desktop-portal/security/advisories/GHSA-rqr9-jwwf-wxgj	Vendor Advisory
https://www.openwall.com/lists/oss-security/2026/04/10/14	Mailing List

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:flatpak:xdg-desktop-portal::::::::
	cpe:2.3:a:flatpak:xdg-desktop-portal:1.21.0:::::::*

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Flatpak xdg-desktop-portal anterior a 1.20.4 y 1.21.x anterior a 1.21.1 permite a cualquier aplicación Flatpak enviar cualquier archivo a la papelera en el contexto del host mediante un ataque de enlace simbólico en g_file_trash.

Information

Published : 2026-04-11 01:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-40354

Mitre link : CVE-2026-40354

CVE.ORG link : CVE-2026-40354

JSON object : View

Products Affected

flatpak

xdg-desktop-portal

CWE

CWE-61

UNIX Symbolic Link (Symlink) Following

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