CVE-2026-86334
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.
- Published Sep 28, 2026
- CVSS 4.2 medium
- 0.3% chance of exploitation in the next 30 days (EPSS)
- A fix is available