CVE-2026-40226

6.4 mediumEPSS 0.07%

Medium (6.4) in systemd project systemd. EPSS 0.07% chance of exploitation in the next 30 days.

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

Severity

6.4 medium

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.07% chance of exploitation in the next 30 days; higher than 0% of CVEs (scores of 2026-11-01)
CWE: CWE-348
Published: 2026-04-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19