{"action":"Upgrade flatpak-builder to 1.4.8-1 or later.","affected":[{"fixed":"1.4.8-1","introduced":"0"}],"component":"flatpak-builder","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.4.8-1"],"id":"tcs_01M5NRX00P2C2PDWXJMJ0GQ8N5","modified_at":"2026-10-26T11:47:24.647554477Z","published_at":"2026-04-09T20:16:26.660Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-39977","https://security-tracker.debian.org/tracker/CVE-2026-39977"],"severity":{"label":"medium","score":6.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-39977","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-39977"}],"summary":"flatpak-builder is a tool to build flatpaks from source. From 1.4.5 to before 1.4.8, the license-files manifest key takes an array of paths to user defined licence files relative to the source directo"}