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Description

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

PUBLISHED Reserved 2026-04-10 | Published 2026-04-10 | Updated 2026-04-14 | Assigner mitre




MEDIUM: 6.4CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-348 Use of Less Trusted Source

Product status

Default status
unaffected

233 (custom) before 260
affected

References

github.com/...ystemd/security/advisories/GHSA-9mj4-rrc3-gjcx

cve.org (CVE-2026-40226)

nvd.nist.gov (CVE-2026-40226)

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