CVE-2026-43003

HIGH

OpenStack ironic-python-agent <11.5.0 - Code Injection

Title source: llm

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.

References (6)

Core 6

Core References

Vendor Advisory

https://access.redhat.com/security/cve/CVE-2026-43003

Vendor Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2464306

Vendor Advisory

https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43003.json

Mailing List

http://www.openwall.com/lists/oss-security/2026/06/16/11

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

View Writeup ZIP pw:eip

Scores

CVSS v3 8.0

EPSS 0.0080

EPSS Percentile 53.2%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-78 CWE-829

Status published

Products (6)

OpenStack/ironic-python-agent < 10.2.3

OpenStack/ironic-python-agent 1.0.0 - 11.5.0

OpenStack/ironic-python-agent 11.0.0 - 11.2.1

OpenStack/ironic-python-agent 11.3.0 - 11.5.1

openstack/ironic_python_agent 1.0.0 - 11.5.0

pypi/ironic-python-agent 1.0.0 - 11.6.0PyPI

Published May 01, 2026

Tracked Since May 01, 2026