What is CVE-2026-66138?

CVE-2026-66138 is a high-severity vulnerability in OpenStack Ironic Python Agent, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-07-24.

How severe is CVE-2026-66138?

High severity. CVSS v3 base score is 7.2 out of 10.

RCE in OpenStack Ironic Python Agent

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.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.005 (39.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Openstack Ironic Python Agent — versions 11.6.0, 11.3.0, 11.0.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

Frequently asked questions

What is CVE-2026-66138?: CVE-2026-66138 is a high-severity vulnerability in OpenStack Ironic Python Agent, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-07-24.
How severe is CVE-2026-66138?: High severity. CVSS v3 base score is 7.2 out of 10.