{"action":"Upgrade flatpak to 1.18.1-1 or later.","affected":[{"fixed":"1.18.1-1","introduced":"0"}],"component":"flatpak","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.18.1-1"],"id":"tcs_01M5NX1HFDVC5K0N0JBPAJJ9T5","modified_at":"2026-10-01T08:47:40.615656607Z","published_at":"2026-09-27T21:17:04.330Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-96281","https://security-tracker.debian.org/tracker/CVE-2026-96281"],"severity":{"label":"medium","score":6.2},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-96281#Debian:14/flatpak","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-96281"}],"summary":"On a multi-user system, a user with an active local login session could downgrade a system-wide Flatpak app to an older version by removing the app's remote ref via the unprivileged system-helper Remo"}