CVE-2026-40226

A flaw was found in nspawn, a container runtime environment within systemd. A local attacker or a process within an nspawn container could exploit this vulnerability by using a specially crafted optional configuration file. This could allow the attacker to escape the container's isolation and execute arbitrary actions on the host system.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.