Vulnerability · Published May 1, 2026 · Assigned by mitre
CVE-2026-43003
High 8.0
In plain English
A high-severity OS command injection in ironic-python-agent from OpenStack. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.0High
Exploit odds (30 days)1.0%top 37.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | ironic | 1:21.4.4-0+deb12u2 | DEBIAN-CVE-2026-43003 |
| Debian:13 | ironic | 1:29.0.5-0+deb13u3 | DEBIAN-CVE-2026-43003 |
| Debian:14 | ironic | 1:35.0.1-7 | DEBIAN-CVE-2026-43003 |
| Debian:13 | ironic-python-agent | no fix listed | DEBIAN-CVE-2026-43003 |
| Debian:14 | ironic-python-agent | 11.5.0-3 | DEBIAN-CVE-2026-43003 |
| PyPI | ironic-python-agent | 11.6.0 | GHSA-rmxr-45gj-889w |
| PyPI | ironic-python-agent | 11.6.0 | PYSEC-2026-205 |
| Ubuntu:24.04:LTS | ironic-python-agent | no fix listed | UBUNTU-CVE-2026-43003 |
| Ubuntu:25.10 | ironic-python-agent | no fix listed | UBUNTU-CVE-2026-43003 |
| Ubuntu:26.04:LTS | ironic-python-agent | no fix listed | UBUNTU-CVE-2026-43003 |
| Ubuntu:26.10 | ironic-python-agent | no fix listed | UBUNTU-CVE-2026-43003 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenStack | ironic-python-agent | 0 – before 10.2.311.0.0 – before 11.2.111.3.0 – before 11.5.1 |
Weakness: CWE-829, CWE-78 · Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
References
- https://bugs.launchpad.net/ironic-python-agent/+bug/2148310
- https://github.com/openstack/ironic-python-agent/blob/236b33abffe6688afc39c21e351cc3889b3db2dd/ironic_python_agent/efi_utils.py#L134-L139
- http://www.openwall.com/lists/oss-security/2026/06/16/11
- https://access.redhat.com/security/cve/CVE-2026-43003 vdb-entry, x_refsource_REDHAT
- RHBZ#2464306 issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43003.json x_sadp-csaf-vex
- https://access.redhat.com/errata/RHSA-2026:60454 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:60446 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:57801 vendor-advisory, x_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:51038 vendor-advisory, x_refsource_REDHAT