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.
Fix
Patch, vendor advisory and mitigation references on NVD 1
- https://github.com/flatpak/xdg-desktop-portal/security/advisories/GHSA-rqr9-jwwf-wxgj Vendor Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 6.3 · flatpakNVD modified 2026-10-26 21:10
Affected (CPE criteria) 2
cpe:2.3:a:flatpak:xdg-desktop-portal:*:*:*:*:*:*:*:*cpe:2.3:a:flatpak:xdg-desktop-portal:1.21.0:*:*:*:*:*:*:*
References 4
- 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