{"action":"Upgrade libvirt to 12.6.0-1 or later.","affected":[{"fixed":"12.6.0-1","introduced":"0"}],"component":"libvirt","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["12.6.0-1"],"id":"tcs_01M5NTA55AAQDP8X73TXERPCGF","modified_at":"2026-10-01T03:02:42.330419408Z","published_at":"2026-08-10T17:17:35.413Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-63623","https://security-tracker.debian.org/tracker/CVE-2026-63623"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-63623#Debian:14/libvirt","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-63623"}],"summary":"A flaw was found in libvirt. During storage volume clone or convert operations, newly created volume images were temporarily world-readable. This was caused by the `qemu-img` utility running with over"}