RCE in Canonical Lxd
CVE-2026-28384
An improper sanitization of the compression_algorithm parameter in Canonical LXD allows an authenticated, unprivileged user to execute commands as the LXD daemon on the LXD server via API calls to the image and backup endpoints. This issue…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.003 (48.8th percentile) — read the EPSS interpretation.
Affected products
- Canonical Lxd — versions 6.0, 5.21.0, 5.0.0
Weakness classification (CWE)
References
- github.com/canonical/lxd/security/advisories/GHSA-4rmf-rcp8-2r9g (vendor-advisory)
- github.com/canonical/lxd/commit/043696a13171ace7dd4c2b32d34ce039ab629052 (patch)
- github.com/canonical/lxd/commit/7046979645c2ce1b63b2f9e60ddf6cbc4c4b78f9 (patch)
- github.com/canonical/lxd/commit/b7b411caf5c4971bfe2386c72128f44d7e2aaf4f (patch)
- discourse.ubuntu.com/t/lxd-authenticated-remote-code-execution-fixes-available/… (media-coverage)