CVE-2026-43003 json
OpenStack Ironic Python Agent Includes Functionality from Untrusted Control Sphere
published 2026-05-01 6 mo ago modified 2026-10-26 13 d ago also GHSA-rmxr-45gj-889w , PYSEC-2026-205 , EUVD-2026-26489
- cvss
- 8.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
An issue was discovered in OpenStack ironic-python-agent 1.0.0 through 11.5.0. Ironic Python Agent (IPA) sometimes executes grub-install from within a chroot of the deployed partition image, leading to code execution in the case of a malicious image.
Patch / fix
- pypi ironic-python-agent 11.6.0
- OpenStack ironic-python-agent 10.2.3, 11.2.1, 11.5.1
- Red Hat Red Hat OpenShift Container Platform 4.19 1787545085
- Red Hat Red Hat OpenShift Container Platform 4.20 1787735456
- Red Hat Red Hat OpenShift Container Platform 4.21 1786942282
- Red Hat Red Hat OpenShift Container Platform 4.22 1785883346
- ironic Debian 12 1:21.4.4-0+deb12u2
- ironic Debian 13 1:29.0.5-0+deb13u3
- ironic Debian 14 1:35.0.1-7
- ironic-python-agent Debian 14 11.5.0-3
debian advisories DEBIAN-CVE-2026-43003
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-43003 updated cvss 8.5
ironic-python-agent: OpenStack ironic-python-agent: Arbitrary code execution via malicious image
-
Red Hat OpenShift Container Platform 4 openshift4/ose-ironic-agent-rhel8affected: workaround, no fix available
-
Red Hat OpenShift Container Platform 4.16 openshift4/ose-ironic-agent-rhel9 1789449407fixed: vendor fix RHSA-2026:67936
-
Red Hat OpenShift Container Platform 4.17 openshift4/ose-ironic-agent-rhel9 1790073533fixed: vendor fix RHSA-2026:70587
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Red Hat OpenShift Container Platform 4.18 openshift4/ose-ironic-agent-rhel9 1788575439fixed: vendor fix RHSA-2026:65852
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Red Hat OpenShift Container Platform 4.19 openshift4/ose-ironic-agent-rhel9 1787545085fixed: vendor fix RHSA-2026:60454
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Red Hat OpenShift Container Platform 4.20 openshift4/ose-ironic-agent-rhel9 1787735456fixed: vendor fix RHSA-2026:60446
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Red Hat OpenShift Container Platform 4.21 openshift4/ose-ironic-agent-rhel9 1786942282fixed: vendor fix RHSA-2026:57801
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Red Hat OpenShift Container Platform 4.22 openshift4/ose-ironic-agent-rhel9 1785883346fixed: vendor fix RHSA-2026:51038
show 1 moreshow fewer
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Red Hat OpenShift Container Platform 4.16 openshift4/ose-cli-rhel9 1789361923, openshift4/ose-pod-rhel9 1789370561, openshift4/ose-sdn-rhel9 1789376367, openshift4/ose-etcd-rhel9 1789369183, openshift4/ose-tests-rhel9 1789368515, openshift4/ose-tools-rhel9 1789366012, +182 more Red Hat OpenShift Container Platform 4.17 openshift4/frr-rhel9 1789938330, openshift4/ose-cli-rhel9 1789937904, openshift4/ose-pod-rhel9 1789937463, openshift4/ose-etcd-rhel9 1789937632, openshift4/ose-tests-rhel9 1790075131, openshift4/ose-tools-rhel9 1790073665, +180 more Red Hat OpenShift Container Platform 4.18 openshift4/frr-rhel9 1788576352, openshift4/ose-cli-rhel9 1788576309, openshift4/ose-pod-rhel9 1788575535, openshift4/ose-etcd-rhel9 1788576053, openshift4/ose-tests-rhel9 1788579480, openshift4/ose-tools-rhel9 1788576163, +180 more Red Hat OpenShift Container Platform 4.19 openshift4/frr-rhel9 1787550142, openshift4/ose-cli-rhel9 1787545823, openshift4/ose-pod-rhel9 1787546381, openshift4/ose-etcd-rhel9 1787553648, openshift4/ose-tests-rhel9 1787560698, openshift4/ose-tools-rhel9 1787550215, +182 more Red Hat OpenShift Container Platform 4.20 openshift4/frr-rhel9 1787736001, openshift4/ose-cli-rhel9 1787735982, openshift4/ose-pod-rhel9 1787736197, openshift4/ose-etcd-rhel9 1787736773, openshift4/ose-tests-rhel9 1787737933, openshift4/ose-tools-rhel9 1787736243, +184 more Red Hat OpenShift Container Platform 4.21 openshift4/frr-rhel9 1787012376, openshift4/ose-cli-rhel9 1787012555, openshift4/ose-pod-rhel9 1787013128, openshift4/ose-etcd-rhel9 1787013131, openshift4/ose-tests-rhel9 1787014610, openshift4/ose-tools-rhel9 1787012126, +181 morenot affected: vulnerable code not present
+1 more productsfewer
Red Hat OpenShift Container Platform 4.22 openshift4/frr-rhel9 1785883609, openshift4/ose-cli-rhel9 1785883865, openshift4/ose-pod-rhel9 1785885460, openshift4/ose-etcd-rhel9 1785884715, openshift4/ose-tests-rhel9 1785886018, openshift4/ose-tools-rhel9 1785883357, +182 more
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 6 mo ago
Exploit prediction
0.98% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.0 | CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
| CISA ADP | 3.1 | 8.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 8.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 8.0 | CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | ironic-python-agent | >=1.0.0, <11.6.0 |
11.6.0 |
Affected products
- OpenStack ironic-python-agent
- Red Hat Red Hat OpenShift Container Platform 4.19
- Red Hat Red Hat OpenShift Container Platform 4.20
- Red Hat Red Hat OpenShift Container Platform 4.21
- Red Hat Red Hat OpenShift Container Platform 4.22
- Red Hat Red Hat OpenShift Container Platform 4
Classification
References
-
opendev.org
/openstack/ironic-python-agent/commit/6cd463a657edcddf7b79416ac69bdef5b6f30099
web
-
access.redhat.com
/errata/RHSA-2026:60454
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:60446
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:57801
vendor-advisory, web
-
access.redhat.com
/errata/RHSA-2026:51038
vendor-advisory, web
-
bugs.launchpad.net
/ironic-python-agent/+bug/2148310
web, issue-tracking, report
-
github.com
/openstack/ironic-python-agent/blob/236b33abffe6688afc39c21e351cc3889b3db2dd/ironic_python_agent/efi_utils.py#
web, product
-
openwall.com
/lists/oss-security/2026/06/16/11
web
-
access.redhat.com
/security/cve/CVE-2026-43003
vdb-entry, web
-
bugzilla.redhat.com
/show_bug.cgi?id=2464306
issue-tracking, web
-
security.access.redhat.com
/data/csaf/v2/vex/2026/cve-2026-43003.json
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-43003
advisory
-
github.com
/openstack/ironic-python-agent
package
-
github.com
/pypa/advisory-database/tree/main/vulns/ironic-python-agent/PYSEC-2026-205.yaml
web
-
github.com
/advisories/GHSA-rmxr-45gj-889w
advisory
Sources
- CVE List CVE-2026-43003
- GitHub Advisory GHSA-rmxr-45gj-889w
- NVD CVE-2026-43003
- OSV PYSEC-2026-205
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.