CVE-2026-96279
Fixed in a distro release EPSS <1%CVSS 6.5
A malicious OCI registry can hardlink arbitrary host files into the extraction directory when a user installs or updates a Flatpak application from an OCI remote, allowing disclosure of arbitrary host file contents. For system-wide installs running as root, this includes sensitive files such as /etc/shadow.
Products: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Debian 14 | flatpak | 1.18.1-1 |
| Ubuntu 26.04 LTS | flatpak | no fix |
| Ubuntu Pro 18.04 LTS | flatpak | no fix |
| Ubuntu Pro 20.04 LTS | flatpak | no fix |
| Ubuntu Pro 22.04 LTS | flatpak | no fix |
| Ubuntu Pro 24.04 LTS | flatpak | no fix |