CVE-2026-40226

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

CVSS v3 6.4 MEDIUM

6.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.5 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/systemd/systemd/security/advisories/GHSA-9mj4-rrc3-gjcx	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:systemd_project:systemd::::::::
	cpe:2.3:a:systemd_project:systemd::::::::
	cpe:2.3:a:systemd_project:systemd::::::::

History

No history.

Information

Published : 2026-04-10 16:16

Updated : 2026-06-17 10:44

NVD link : CVE-2026-40226

Mitre link : CVE-2026-40226

CVE.ORG link : CVE-2026-40226

JSON object : View

Products Affected

systemd_project

systemd

CWE

CWE-348

Use of Less Trusted Source

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