CVE-2026-86334

4.2 Moyenne

Publiée le 28/09/2026 à 16:17 · Modifiée le 28/09/2026 à 20:17 · Analyse NVD reportée · Source : security@ubuntu.com

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.

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Produits concernés

Canonical LXD

Scores CVSS

Version	Score	Source	Vecteur
3.1	4.2 Moyenne	security@ubuntu.com	`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L`

Faiblesses (CWE)

CWE-22

Références

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
https://github.com/canonical/lxd/security/advisories/GHSA-g4cm-f533-78hq

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories