Use of Less Trusted Source Affecting py3-systemd package, versions <2026.05.06_git20260429-r4


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.07% (1st percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-PY3SYSTEMD-17723833
  • published30 Jun 2026
  • disclosed10 Apr 2026

Introduced: 10 Apr 2026

CVE-2026-40226  (opens in a new tab)
CWE-348  (opens in a new tab)

How to fix?

Upgrade Chainguard py3-systemd to version 2026.05.06_git20260429-r4 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream py3-systemd package and not the py3-systemd package as distributed by Chainguard. See How to fix? for Chainguard relevant fixed versions and status.

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

CVSS Base Scores

version 3.1