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Vulnerability record · CVE-2026-40223 · published 10 April 2026

CVE-2026-40223: Systemd project systemd vulnerability

Systemd Project · Systemd

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.

5.5 CVSS 3.1 Medium EPSS 0.12% · top 98.2% CWE-696 · CWE-696
5.5CVSS 3.1 base score
0.12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/systemd/systemd/security/advisories/GHSA-x4h8-rrrg-q78f Vendor Advisory

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-40223), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.