CVE Vulnerabilities

CVE-2026-40226

Use of Less Trusted Source

Published: Apr 10, 2026 | Modified: Apr 17, 2026
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
RedHat/V2
RedHat/V3
6.4 MODERATE
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Ubuntu
MEDIUM
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In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.

Weakness

The product has two different sources of the same data or information, but it uses the source that has less support for verification, is less trusted, or is less resistant to attack.

Affected Software

NameVendorStart VersionEnd Version
SystemdSystemd_project233 (including)257.12 (excluding)
SystemdSystemd_project258 (including)258.6 (excluding)
SystemdSystemd_project259 (including)259.4 (excluding)
Red Hat Hardened ImagesRedHatsystemd-main-260.1-2.1.hum1*
SystemdUbuntuesm-infra/xenial*
SystemdUbuntujammy*
SystemdUbuntunoble*
SystemdUbuntuquesting*
SystemdUbuntuupstream*

References