CVE-2026-86334 Affecting lxd package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published29 Sept 2026
- disclosed28 Sept 2026
Introduced: 28 Sep 2026
NewCVE-2026-86334 (opens in a new tab)How to fix?
There is no fixed version for Echo:latest lxd.
NVD Description
Note: Versions mentioned in the description apply only to the upstream lxd package and not the lxd package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
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.
References
- https://advisory.echohq.com/cve/CVE-2026-86334
- https://github.com/canonical/lxd/pull/18940
- https://github.com/canonical/lxd/pull/18974
- https://github.com/canonical/lxd/pull/18975
- https://github.com/canonical/lxd/pull/18976
- https://github.com/canonical/lxd/pull/18977
- https://github.com/canonical/lxd/security/advisories/GHSA-g4cm-f533-78hq