Bug 2457326 (CVE-2026-40226) - CVE-2026-40226 systemd: systemd nspawn: Escape-to-host action via crafted config file
Summary: CVE-2026-40226 systemd: systemd nspawn: Escape-to-host action via crafted con...
Keywords:
Status: NEW
Alias: CVE-2026-40226
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-10 16:02 UTC by OSIDB Bzimport
Modified: 2026-07-18 08:28 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description OSIDB Bzimport 2026-04-10 16:02:31 UTC 
In nspawn in systemd 233 through 259 before 260, an escape-to-host action can occur via a crafted optional config file.
Note You need to log in before you can comment on or make changes to this bug.