CVE-2026-43003

high

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

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

https://github.com/openstack/ironic-python-agent/blob/236b33abffe6688afc39c21e351cc3889b3db2dd/ironic_python_agent/efi_utils.py#L134-L139

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

https://bugs.launchpad.net/ironic-python-agent/+bug/2148310

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

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

Details

Source: Mitre, NVD

Published: 2026-05-01

Updated: 2026-06-30

Risk Information

CVSS v2

Base Score: 7.1

Vector: CVSS2#AV:N/AC:H/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00008