Unity Linux 20.1060e / 20.1070e Security Update: flatpak (UTSA-2026-017552)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017552 advisory. Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux. In Flatpack since version 0.9.4 and before version 1.10.2 has a...

flatpak: "file forwarding" feature can be used to gain unprivileged access to files

A sandbox escape flaw was found in the way flatpak handled special tokens in ".desktop" files. This flaw allows an attacker to gain access to files that are not ordinarily allowed by the app's permissions. The highest threat from this vulnerability is to confidentiality and integrity...

flatpak: "file forwarding" feature can be used to gain unprivileged access to files

A sandbox escape flaw was found in the way flatpak handled special tokens in ".desktop" files. This flaw allows an attacker to gain access to files that are not ordinarily allowed by the app's permissions. The highest threat from this vulnerability is to confidentiality and integrity...