CVE-2026-86335 LXD Cross-Project Private Image Theft via Unsanitized GetImageFromAnyProject Local Reuse
A project-restricted client can steal private images from other projects in LXD by exploiting unsanitized local fingerprint reuse during imports.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-86335?
CVE-2026-86335 is a medium-severity missing authorization vulnerability in Canonical LXD, published on 28 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-86335?
How do I fix CVE-2026-86335?
No fix has been published for CVE-2026-86335 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-86335 being exploited?
There is no known exploitation of CVE-2026-86335 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-86335, GHSA-j7p3-5g2v-69j8, UBUNTU-CVE-2026-86335.