Code Execution Vulnerability in OpenStack Ironic Python Agent
CVE-2026-43003

8HIGH

Key Information:

Vendor

Openstack
Status
Ironic-python-agent
Vendor
CVE Published:
1 May 2026

What is CVE-2026-43003?

A code execution vulnerability exists in the OpenStack Ironic Python Agent (versions 1.0.0 to 11.5.0), where the agent may execute grub-install within a chroot environment of a deployed partition image. This flaw could allow an attacker to execute arbitrary code if a malicious image is deployed, potentially compromising the integrity and security of the OpenStack environment.

Affected Version(s)

ironic-python-agent 0 < 10.2.3

ironic-python-agent 11.0.0 < 11.2.1

ironic-python-agent 11.3.0 < 11.5.1

References

https://bugs.launchpad.net/ironic-python-agent/+bug/2148310
https://github.com/openstack/ironic-python-agent/blob/236...

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
High
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.