RCE 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 malicious image.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (65.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.011 · change: +0.003
Affected products
- OpenStack Ironic-Python-Agent — versions 1.0.0, 11.3.0, 11.0.0
- OpenStack Ironic Python Agent
Weakness classification (CWE)
References
- bugs.launchpad.net/ironic-python-agent/+bug/2148310 (Issue Tracking)
- github.com/openstack/ironic-python-agent/blob/236b33abffe6688afc39c21e351cc3889… (Product)
- af854a3a-2127-422b-91ae-364da2661108
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
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.