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

🗓️ 12 Apr 2026 08:01:57Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 22 Views

systemd nspawn versions 233–259 before 260 allow escape to host via a crafted optional config.

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25 Sep 2026 09:45Current
6.7Medium risk
Vulners AI Score6.7
CVSS 3.16.4
EPSS0.00094
SSVC
22