{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"flatpak","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NWJPKZJS3VJVF6QNN3BEJ5","modified_at":"2026-09-28T20:00:45.169236015Z","published_at":"2026-09-12T20:16:30.957Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-90616","https://security-tracker.debian.org/tracker/CVE-2026-90616"],"severity":{"label":"high","score":7.4},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-90616","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-90616"}],"summary":"In Flatpak before 1.18.1, a malicious sandboxed app can obtain arbitrary read and write access to files on the host, which can be escalated to arbitrary code execution on the host, a different vulnera"}