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CVE-2026-63298 An improper neutralization of special elements vulnerability in LXD's NVIDIA instance configuration handling allows an…

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.

Affected products and versions

Product Affected versions Fixed in
LXD 5.21 5.21.0 → < 5.21.6 5.21.6
LXD 5.0 5.0.0 → < 5.0.8 5.0.8
LXD 4.0 4.0.0 → < 4.0.12 4.0.12
The 47 CVEs of LXD →
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