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CVE-2026-28384

nvd nist
Published: Mar 12, 2026Modified: Sep 11, 2026

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9.4
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: security@ubuntu.com (Secondary)

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.

Affected (4)

Products: Canonical: Lxd
Canonical
1 product
Lxd
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Canonical
Lxd
Up to 4.12
Lxd
From 5.0.0 to 5.0.6
Lxd
From 5.21.0 to 5.21.4
Lxd
From 6.0 to 6.7

Related CWEs

CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

References (6)

Source: security@ubuntu.com
Issue Tracking
Source: security@ubuntu.com
Patch
Source: security@ubuntu.com
Patch
Source: security@ubuntu.com
Patch
Source: security@ubuntu.com
Vendor Advisory
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Vendor Advisory

Timeline

No history available yet.