VulnerabilityModified
CVE-2026-43003
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.
HIGH 7.5EPSS 0.98%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.98% probability · 60th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-829, CWE-78
- Affected
- openstack/ironic python agent
- Source
- cve@mitre.org
References
- https://bugs.launchpad.net/ironic-python-agent/+bug/2148310Issue Tracking
- https://github.com/openstack/ironic-python-agent/blob/236b33abffe6688afc39c21e351cc3889b3db2dd/ironic_python_agent/efi_utils.py#L134-L139Product
- http://www.openwall.com/lists/oss-security/2026/06/16/11
- https://access.redhat.com/errata/RHSA-2026:51038
- https://access.redhat.com/errata/RHSA-2026:57801
- https://access.redhat.com/errata/RHSA-2026:60446
- https://access.redhat.com/errata/RHSA-2026:60454
- https://access.redhat.com/security/cve/CVE-2026-43003
- https://bugzilla.redhat.com/show_bug.cgi?id=2464306
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43003.json
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.