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A path traversal vulnerability in Flatpak's handling of the export/bin directory during app deployment allows a malicious Flatpak app to cause deletion of attacker-chosen files outside the deployment directory when the app is installed or upgraded. In system-wide installations, the deletion is performed as root.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade flatpak | Sep 30, 2026 | Sep 28, 2026 |
| Redhat_linux | — | No solution exists | Sep 30, 2026 | Sep 28, 2026 |
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