Detections
Analytics
CVE-2026-96279
medium
Description
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.
References
https://github.com/flatpak/flatpak/security/advisories/GHSA-9rww-v4mm-x4jg
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-88013