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CVE-2026-28384

Published Mar 12, 2026 CWE-78 EPSS 0.50% (41th pctl)

Overview

CVE-2026-28384 is a known-severity vulnerability. It was published on March 12, 2026.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Ref discourse.ubuntu.com/t/lxd-authenticated-remote-code-execution-fixes-available/78365 GitHub github.com/canonical/lxd/commit/043696a13171ace7dd4c2b32d34ce039ab629052 GitHub github.com/canonical/lxd/commit/7046979645c2ce1b63b2f9e60ddf6cbc4c4b78f9 GitHub github.com/canonical/lxd/commit/b7b411caf5c4971bfe2386c72128f44d7e2aaf4f GitHub github.com/canonical/lxd/security/advisories/GHSA-4rmf-rcp8-2r9g GitHub github.com/canonical/lxd/security/advisories/GHSA-4rmf-rcp8-2r9g

Frequently Asked Questions

What is CVE-2026-28384?

CVE-2026-28384 is a known-severity vulnerability. It was published on March 12, 2026.

How severe is CVE-2026-28384?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-28384?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-28384?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-28384 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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