{"id":"CVE-2026-86334","published":"2026-09-28T14:17:20.590","lastModified":"2026-09-28T18:17:25.683","description":"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.","cvssScore":4.2,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L","cwes":["CWE-22"],"vendors":[],"products":[],"references":[{"url":"https://github.com/canonical/lxd/pull/18940","tags":[]},{"url":"https://github.com/canonical/lxd/pull/18974","tags":[]},{"url":"https://github.com/canonical/lxd/pull/18975","tags":[]},{"url":"https://github.com/canonical/lxd/pull/18976","tags":[]},{"url":"https://github.com/canonical/lxd/pull/18977","tags":[]},{"url":"https://github.com/canonical/lxd/security/advisories/GHSA-g4cm-f533-78hq","tags":[]},{"url":"https://github.com/canonical/lxd/security/advisories/GHSA-g4cm-f533-78hq","tags":[]}],"exploitRefs":[{"url":"https://github.com/canonical/lxd/pull/18940","tags":[]},{"url":"https://github.com/canonical/lxd/pull/18974","tags":[]},{"url":"https://github.com/canonical/lxd/pull/18975","tags":[]},{"url":"https://github.com/canonical/lxd/pull/18976","tags":[]},{"url":"https://github.com/canonical/lxd/pull/18977","tags":[]},{"url":"https://github.com/canonical/lxd/security/advisories/GHSA-g4cm-f533-78hq","tags":[]},{"url":"https://github.com/canonical/lxd/security/advisories/GHSA-g4cm-f533-78hq","tags":[]}],"hasPoc":true,"ai":null}