CVE WatchSep 1, 2026

CVE-2026-4105

A flaw was found in systemd. The systemd-machined service contains an Improper Access Control vulnerability due to insufficient validation o

CVSS

6.7

Medium

EPSS

0.1%

KEV

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Exploit Today

0-100

Published: Mar 13, 2026 · Last modified: Sep 1, 2026 · CWE-284

EPSS · 30d

0.1%EPSS · 30 days0.2%

2026-09-302026-10-28

Technical description

A flaw was found in systemd. The systemd-machined service contains an Improper Access Control vulnerability due to insufficient validation of the class parameter in the RegisterMachine D-Bus (Desktop Bus) method. A local unprivileged user can exploit this by attempting to register a machine with a specific class value, which may leave behind a usable, attacker-controlled machine object. This allows the attacker to invoke methods on the privileged object, leading to the execution of arbitrary commands with root privileges on the host system.

Official references

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