{"action":"Upgrade flatpak-builder to 1.4.11-1 or later.","affected":[{"fixed":"1.4.11-1","introduced":"0"}],"component":"flatpak-builder","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.4.11-1"],"id":"tcs_01M5NW1240DRTDB9MYYTPB9H7J","modified_at":"2026-10-23T17:47:41.803583410Z","published_at":"2026-09-17T08:17:02.200Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-86320","https://security-tracker.debian.org/tracker/CVE-2026-86320"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-86320#Debian:14/flatpak-builder","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-86320"}],"summary":"A flaw was found in flatpak-builder where Git hooks are not disabled when applying patch sources with use-git-am: true. An attacker who can provide a malicious source containing a Git post-applypatch"}