Name: CVE-2026-40226: Use of Less Trusted Source
Creator: Rapid7
Published: 2026-04-10T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-40226, CVSS 6.4, EPSS 0.00006

In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.

CVSS Details

CVSS 3.1 Base Score: 6.4
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade systemd	Apr 16, 2026	Apr 16, 2026
Ubuntu	—	Upgrade libnss-resolveUpgrade systemdUpgrade udevUpgrade libudev1Upgrade libsystemd0	Jun 9, 2026	Jun 8, 2026
Vmware Photon_os	—	Use 'tdnf update' to upgrade all packages to the latest version.	May 27, 2026	Apr 10, 2026

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CVSS Details

Covered by Rapid7

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