CVE-2026-63298: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Canonical LXD
An improper neutralization of special elements vulnerability in LXD's NVIDIA instance configuration handling allows an authenticated attacker to inject arbitrary configuration directives. By supplying newline characters within the 'nvidia.driver.capabilities' or 'nvidia.require.*' configuration values, an attacker can manipulate the generated lxc.conf file. This flaw enables the attacker to execute arbitrary code on the host system with the privileges of the LXD daemon.
CVE-2026-63298: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Canonical LXD
Description
An improper neutralization of special elements vulnerability in LXD's NVIDIA instance configuration handling allows an authenticated attacker to inject arbitrary configuration directives. By supplying newline characters within the 'nvidia.driver.capabilities' or 'nvidia.require.*' configuration values, an attacker can manipulate the generated lxc.conf file. This flaw enables the attacker to execute arbitrary code on the host system with the privileges of the LXD daemon.
CVSS v3.1
Score 8.7high
Affected software
pkg:github/LXDRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- canonical
- Date Reserved
- 2026-07-16T09:49:29.911Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7cd124bf8831d53911d063
Added to database: 08/12/2026, 20:01:40 UTC
Last updated: 08/12/2026, 20:01:40 UTC
Views: 1
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