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.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Apr 11, 2026 · NIST NVD

   Detected

   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.

2. Jun 17, 2026 · NIST NVD

   Updated

   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

• cpe flatpak/xdg-desktop-portalversion unspecified
• cpe flatpak/xdg-desktop-portal1.21.0

Sources

• CVE.orgVulnerability recordCVE-2026-40354

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-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.

  nvd.nist.gov

References

• Product · github.com
• Product · github.com
• Vendor Advisory · github.com
• Mailing List · openwall.com