CLI Path Traversal via Content-Disposition in LXD Image Export/Copy (Canonical LXD)

CVE-2026-86334
MEDIUM 4.2

At a glance

Source
NVD
EPSS
EPSS 0.33 % · percentile 26 ()
State
PUBLISHED
Published
Updated
Assigner
canonical
NVD status
Deferred

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.

Weaknesses (CWE)

  • CWE-22 — Improper Limitation of a Pathname to a Restricted Directory

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 4.2CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:Lcanonical
CVSS 3.1MEDIUM 4.2CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:LNVD · security@ubuntu.com (Secondary)

European references

Affected products

ProductVersions
Canonical · LXDaffected 4.0.2 < 4.0.14 ; affected 5.0.0 < 5.0.10 ; affected 5.21.0 < 5.21.8 ; affected 6.0 < 6.10

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD