CVE-2026-66138: openstack ironic_python_agent OS Command Injection
CVSS: 7.2v3.1HighDeferred
AliasesUBUNTU-CVE-2026-66138DEBIAN-CVE-2026-66138
Published 24-07-2026Last modified 24-07-2026
Vulnerability summary
CVE-2026-66138 is a high (CVSS 7.2) OS Command Injection vulnerability in openstack ironic_python_agent. EPSS estimates a 0.78% chance of exploitation in the next 30 days, higher than 55.1% of scored vulnerabilities.
CVSS score
7.2/10
010
High · v3.1 (CVE.org)EPSS score
0.78%
0%100%
Low · +0.31 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 24-07-2026PublishedVulnerability first disclosed.
- 24-07-2026Last modifiedVulnerability information updated.
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 metrics
4 scores · 4 sources · 1 versionHigh 7.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.78%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
+0.31 pp
From 0.47% on 18-09-2026
18-09-202618-10-2026
EPSS score0.78%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- ironic-python-agentAll versions (No fix recorded) | < 11.5.0-4
Openstack1 product
- ironic_python_agent11.6.0 | ≥ 11.3.0, ≤ 11.5.1 | ≥ 11.0.0, ≤ 11.2.1 | ≥ 6.0.0, ≤ 10.2.3
Ubuntu1 product
- ironic-python-agentAll versions (No fix recorded)
3 vendors · 3 products