High severity · published Jul 24, 2026
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…
7.2
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IP
Ironic Python Agent · OpenStack
11.6.0; 11.3.0 through 11.5.1; 11.0.0 through 11.2.1; 6.0.0 through 10.2.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-66138
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-66138
bugs.launchpad.net
https://bugs.launchpad.net/ironic-python-agent/+bug/2160050
security.openstack.org
https://security.openstack.org/ossa/OSSA-2026-027.html
www.openwall.com
http://www.openwall.com/lists/oss-security/2026/07/24/26
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