{"id":"DEBIAN-CVE-2026-86334","details":"Path traversal in the CLI client image export and copy functionality in Canonical LXD from 4.0.2 before 4.0.14, 5.0.10, 5.21.8, and 6.10 on all platforms allows a remote malicious or machine-in-the-middle image server to overwrite arbitrary local files and execute code on the client system via a crafted Content-Disposition header filename parameter during unified image export or copy operations into a local directory target.","modified":"2026-09-29T05:00:36.958143496Z","published":"2026-09-28T14:17:20.590Z","upstream":["CVE-2026-86334"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-86334"}],"affected":[{"package":{"name":"lxd","ecosystem":"Debian:12","purl":"pkg:deb/debian/lxd?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.2+git20231211.1364ae4-1","5.0.2+git20231211.1364ae4-2","5.0.2+git20231211.1364ae4-3","5.0.2+git20231211.1364ae4-4","5.0.2+git20231211.1364ae4-5","5.0.2+git20231211.1364ae4-6","5.0.2+git20231211.1364ae4-7","5.0.2+git20231211.1364ae4-8","5.0.2+git20231211.1364ae4-9","5.0.2-5","5.0.2-5+deb12u1","5.0.2-5+deb12u2","5.0.2-5+deb12u3","5.0.2-5+deb12u4","5.0.2-5+deb12u5","5.0.2-5+deb12u6","5.0.2-6"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-86334.json"}},{"package":{"name":"lxd","ecosystem":"Debian:13","purl":"pkg:deb/debian/lxd?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["5.0.2+git20231211.1364ae4-9","5.0.2+git20231211.1364ae4-9+deb13u1","5.0.2+git20231211.1364ae4-9+deb13u2","5.0.2+git20231211.1364ae4-9+deb13u3","5.0.2+git20231211.1364ae4-9+deb13u4","5.0.2+git20231211.1364ae4-9+deb13u5","5.0.2+git20231211.1364ae4-9+deb13u6","5.0.2+git20231211.1364ae4-9+deb13u7"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-86334.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L"}]}