CVE-2026-86335

LXD Cross-Project Private Image Theft via Unsanitized GetImageFromAnyProject Local Reuse

State: Published
Severity: 6.3 Medium
Published: Sep 28, 2026
Updated: Sep 28, 2026
Reserved: Sep 7, 2026

Description

Missing Authorization in imageDownload in Canonical LXD before 5.0.10, 5.21.8, and 6.10 on Linux allows a project-restricted client to access private images from other projects via local fingerprint reuse during image or instance import requests.

Scores

CVSS	Score	Vector	Source
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N	canonical

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
LXDCanonical	5.21.0 to before 5.21.8Affected 6.0 to before 6.10Affected 4.0 to before 5.0.10Affected

References

https://github.com/canonical/lxd/security/advisories/GHSA-j7p3-5g2v-69j8vendor-advisoryissue-tracking
https://github.com/canonical/lxd/pull/19003patch
https://github.com/canonical/lxd/pull/19002patch
https://github.com/canonical/lxd/pull/19001patch
https://github.com/canonical/lxd/pull/18987patch

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