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    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.

    Published:Apr 10, 2026
    Last Modified:Apr 17, 2026
    EPS:Apr 10, 2026
    EPSS Score:0.00008
    CVSS Score:6.4

    Affected Products

    Vendor
    Systemd
    Product
    Systemd
    Vendor
    Systemd Project
    Product
    Systemd

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-348 Use of Less Trusted Source

    Related CVEs

    CVE-2026-16742 (CVSS 6.7) — systemd-homed contains a local privilege escalation bug via arbitrary system group addition to a local, logged…
    CVE-2026-15059 (CVSS 5.5) — Local unprivileged users can terminate arbitrary local processes via a systemd-oomd IPC API due to a missing p…
    CVE-2026-16552 (CVSS 6.3) — The reported issue is invalid, as it requires root privileges to reproduce, and it is out of scope of the thre…
    CVE-2026-40228 (CVSS 2.9) — In systemd 259, systemd-journald can send ANSI escape sequences to the terminals of arbitrary users when a "lo…
    CVE-2026-40227 (CVSS 6.2) — In systemd 260 before 261, a local unprivileged user can trigger an assert via an IPC API call with an array o…
    CVE-2026-40225 (CVSS 6.4) — In udev in systemd before 260, local root execution can occur via malicious hardware devices and unsanitized k…
    CVE-2026-40224 (CVSS 6.7) — In systemd 259 before 260, there is local privilege escalation in systemd-machined because varlink can be used…
    CVE-2026-40223 (CVSS 4.7) — In systemd 258 before 260, a local unprivileged user can trigger an assert when a Delegate=yes and User=<unset…
    CVE-2026-29111 (CVSS 5.5) — systemd, a system and service manager, (as PID 1) hits an assert and freezes execution when an unprivileged IP…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High