Local User Vulnerability in systemd Affected by Configuration Issues
CVE-2026-40223

4.7MEDIUM

Key Information:

Vendor

Systemd

Status
Systemd
Vendor
CVE Published:
10 April 2026

What is CVE-2026-40223?

A flaw within systemd versions prior to 260 allows a local unprivileged user to trigger an assertion failure when a unit with Delegate=yes and an unset User is active. This vulnerability can be exploited to disrupt systemd processes, potentially leading to system instability.

Affected Version(s)

systemd 258 < 260

References

https://github.com/systemd/systemd/security/advisories/GH...

CVSS V3.1

Score:
4.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.