What is CVE-2026-43003?

CVE-2026-43003 is a high-severity vulnerability in Openstack Ironic-python-agent, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 8.0/10. Published 2026-05-01.

How severe is CVE-2026-43003?

High severity. CVSS v3 base score is 8.0 out of 10.

Vulnerability in Openstack Ironic-python-agent

CVE-2026-43003

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 malic…

EPSS: 0.001 (19.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Openstack Ironic-python-agent — versions 1.0.0
Openstack Ironic_python_agent

Weakness classification (CWE)

CWE-829 — Inclusion of Functionality from Untrusted Control Sphere

References

cve@mitre.org (Issue Tracking)
cve@mitre.org (Product)

Frequently asked questions

What is CVE-2026-43003?: CVE-2026-43003 is a high-severity vulnerability in Openstack Ironic-python-agent, classified under Inclusion of Functionality from Untrusted Control Sphere. CVSS score: 8.0/10. Published 2026-05-01.
How severe is CVE-2026-43003?: High severity. CVSS v3 base score is 8.0 out of 10.