Review reviewHigh

CVE-2026-43003

OpenStack ironic-python-agent, Red Hat OpenShift Container Platform 4, ironic python agent

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.

CVSS
7.5
EPSS
0.80%
53.2% percentile
CISA KEV
Not listed
Published
2026.05.01
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.80%
Technical severityCVSS 7.5

Vulnerability overview

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.

Affected product and versions

Product
OpenStack ironic-python-agent, Red Hat OpenShift Container Platform 4, ironic python agent
Affected versions
< 10.2.3, >= 11.0.0 < 11.2.1, >= 11.3.0 < 11.5.1, >= 1.0.0 <= 11.5.0
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that OpenStack ironic-python-agent, Red Hat OpenShift Container Platform 4, ironic python agent and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-78, CWE-829
CVE-2026-43003 — OpenStack ironic-python-agent, Red Hat OpenShift Container Platform 4, ironic python agent | SECUFOCUS NOW