CVE-2026-86334

Summary

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.

Affected Software

VendorProductVersion RangeStatus
CanonicalLXD4.0.2 < 4.0.14affected
CanonicalLXD5.0.0 < 5.0.10affected
CanonicalLXD5.21.0 < 5.21.8affected
CanonicalLXD6.0 < 6.10affected

Weaknesses

  • CWE-22: CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: poc
    • Automatable: no
    • Technical Impact: partial

Additional References

References