CVE-2026-40354

2.9 LOW

Published: April 11, 2026 Modified: April 13, 2026

Description

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://github.com/flatpak/xdg-desktop-portal/releases/tag/1.20.4

Source: cve@mitre.org

https://github.com/flatpak/xdg-desktop-portal/releases/tag/1.21.1

Source: cve@mitre.org

https://github.com/flatpak/xdg-desktop-portal/security/advisories/GHSA-rqr9-jwwf-wxgj

Source: cve@mitre.org

https://www.openwall.com/lists/oss-security/2026/04/10/14

Source: cve@mitre.org

4 reference(s) from NVD

Quick Stats

CVSS v3 Score

2.9 / 10.0

EPSS (Exploit Probability)

0.0%

3th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-61

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