CVE-2026-28384

N/A

Description

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 affected LXD from 4.12 through 6.6 and was fixed in the snap versions 5.0.6-e49d9f4 (channel 5.0/stable), 5.21.4-1374f39 (channel 5.21/stable), and 6.7-1f11451 (channel 6.0 stable). The channel 4.0/stable is not affected as it contains version 4.0.10.

CVE Details

CVSS v3.1 ScoreN/A

Published3/12/2026

Last Modified3/13/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-78

References

https://discourse.ubuntu.com/t/lxd-authenticated-remote-code-execution-fixes-available/78365(security@ubuntu.com)

https://github.com/canonical/lxd/commit/043696a13171ace7dd4c2b32d34ce039ab629052(security@ubuntu.com)

https://github.com/canonical/lxd/commit/7046979645c2ce1b63b2f9e60ddf6cbc4c4b78f9(security@ubuntu.com)

https://github.com/canonical/lxd/commit/b7b411caf5c4971bfe2386c72128f44d7e2aaf4f(security@ubuntu.com)

https://github.com/canonical/lxd/security/advisories/GHSA-4rmf-rcp8-2r9g(security@ubuntu.com)

https://github.com/canonical/lxd/security/advisories/GHSA-4rmf-rcp8-2r9g(134c704f-9b21-4f2e-91b3-4a467353bcc0)

IOC Correlations

No correlations recorded

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