{"id":"DEBIAN-CVE-2026-96279","details":"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.","modified":"2026-09-30T08:47:28.085439807Z","published":"2026-09-27T20:16:53.043Z","upstream":["CVE-2026-96279"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-96279"}],"affected":[{"package":{"name":"flatpak","ecosystem":"Debian:14","purl":"pkg:deb/debian/flatpak?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.18.1-1"}]}],"versions":["1.16.1-1","1.16.1-2","1.16.1-3","1.16.2-1","1.16.2-1~deb13u1","1.16.3-1","1.16.3-1~deb13u1","1.16.4-1","1.16.4-2","1.16.5-1","1.16.6-1","1.16.6-1~deb13u1","1.16.6-1~deb13u1~bpo12+1","1.16.6-1~deb13u2","1.16.6-1~deb13u3","1.17.2-1","1.17.3-1","1.17.3-2","1.17.6-1","1.18.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-96279.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"}]}