HIGH

CVE-2026-66138

CVSS v3

7.2

HIGH

EPSS Score

0.4%

exploit probability

CISA KEV

No

known exploited

Exploitation

SSVC status

Description

In OpenStack Ironic Python Agent through 11.6.0, a project-scoped user with the manager role can achieve arbitrary code execution on a running Ironic-Python-Agent via a maliciously constructed configuration, because the value of ntp_server is passed to a shell.

Technical details

CVSS v3 Vector
3.1
Published
7/24/2026
Last Modified
7/24/2026

Frequently asked questions

What is CVE-2026-66138?

In OpenStack Ironic Python Agent through 11.6.0, a project-scoped user with the manager role can achieve arbitrary code execution on a running Ironic-Python-Agent via a maliciously constructed configuration, because the value of ntp_server is passed to a shell.

Is CVE-2026-66138 actively exploited?

Active exploitation of CVE-2026-66138 has not been confirmed. The EPSS score is 0.4%, indicating the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-66138?

CVE-2026-66138 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string 3.1.

Is CVE-2026-66138 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.