CVE-2026-40226

medium

Description

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

References

https://www.helpnetsecurity.com/2026/05/18/debian-13-5-released/

https://github.com/systemd/systemd/security/advisories/GHSA-9mj4-rrc3-gjcx

Details

Source: Mitre, NVD

Published: 2026-04-10

Updated: 2026-04-17

Risk Information

CVSS v2

Base Score: 5.9

Vector: CVSS2#AV:L/AC:H/Au:M/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 6.4

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

Severity: Medium

EPSS

EPSS: 0.00006