CVE-2026-15060: When systemd-machined >= v259 (or v258 with a custom `polkit` policy that allows `register-machine` access) is

Routine

MEDIUM 4.7

CVE-2026-15060 is a medium-severity flaw (CVSS 4.7) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

When systemd-machined >= v259 (or v258 with a custom `polkit` policy that allows `register-machine` access) is running on a desktop system, an unprivileged user logged in a desktop graphical session can kill arbitrary processes, even privileged ones. - versions older than v259 are not affected, unless unprivileged access is granted for the `register-machine` polkit action via a local, custom policy config file - versions older than v258 are not

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.7 (Medium)
Attack vector	Local
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 100%)
CISA exploited list	No
Weakness	CWE-284, CWE-862
Published	2026-08-10
Last modified	2026-10-23

Publisher (CNA): systemd

Timeline

2026-08-10 14:17 UTCPublished CVE record published
2026-10-23 20:10 UTCUpdated Record last modified

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References

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