VulnerabilityAnalyzed
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.
MEDIUM 6.3EPSS 0.13%
Does this matter?
Lower severity and a low EPSS score (0.13%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.3 MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H
- EPSS
- 0.13% probability · 3th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-61
- Affected
- flatpak/xdg-desktop-portal
- Source
- cve@mitre.org
References
- https://github.com/flatpak/xdg-desktop-portal/releases/tag/1.20.4Product
- https://github.com/flatpak/xdg-desktop-portal/releases/tag/1.21.1Product
- https://github.com/flatpak/xdg-desktop-portal/security/advisories/GHSA-rqr9-jwwf-wxgjVendor Advisory
- https://www.openwall.com/lists/oss-security/2026/04/10/14Mailing List
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.