CVE-2026-40223

MEDIUM

systemd Assertion Failure via Delegate=yes Unit with Unset User

Generated titleSource: EIP title enrichment
STIX 2.1 vulnerability

Record summary

CVE-2026-40223 has a selected CVSS score of 4.7 (medium).

Description

In systemd 258 before 260, a local unprivileged user can trigger an assert when a Delegate=yes and User=<unset> unit exists and is running.

Description source: CVE List

Exploitation context

CISA SSVC decision

ExploitationNone
AutomatableNo
Technical impactPartial

CISA Coordinator · SSVC 2.0.3 · Evaluated Apr 14, 2026 · Source: CVE List

Affected products and versions

1
ProductSourceVersion range

systemd

Browse systemd / systemd

Default status: unaffected

CVE List258 to < 260affected

References

2