CVE-2026-43003
Full vulnerability record from the local CVENow database.
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.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-05-01 09:16:17.440000
Last modified
2026-10-26 22:10:00.163000
View original CVE JSON
{
"id": "CVE-2026-43003",
"sourceIdentifier": "[email protected]",
"published": "2026-05-01T09:16:17.440",
"lastModified": "2026-10-26T22:10:00.163",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Se descubrió un problema en OpenStack ironic-python-agent de la 1.0.0 a la 11.5.0. Ironic Python Agent (IPA) a veces ejecuta grub-install desde dentro de un chroot de la imagen de partición desplegada, lo que lleva a la ejecución de código en el caso de una imagen maliciosa."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "OpenStack",
"product": "ironic-python-agent",
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"lessThan": "10.2.3",
"versionType": "semver",
"status": "affected"
},
{
"version": "11.0.0",
"lessThan": "11.2.1",
"versionType": "semver",
"status": "affected"
},
{
"version": "11.3.0",
"lessThan": "11.5.1",
"versionType": "semver",
"status": "affected"
}
]
}
]
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"affectedData": [
{
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4.19",
"defaultStatus": "affected",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"packageName": "openshift4/ose-ironic-agent-rhel9",
"cpes": [
"cpe:/a:redhat:openshift:4.19::el9"
],
"versions": [
{
"version": "1787545085",
"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
]
},
{
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4.20",
"defaultStatus": "affected",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"packageName": "openshift4/ose-ironic-agent-rhel9",
"cpes": [
"cpe:/a:redhat:openshift:4.20::el9"
],
"versions": [
{
"version": "1787735456",
"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
]
},
{
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4.21",
"defaultStatus": "affected",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"packageName": "openshift4/ose-ironic-agent-rhel9",
"cpes": [
"cpe:/a:redhat:openshift:4.21::el9"
],
"versions": [
{
"version": "1786942282",
"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
]
},
{
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4.22",
"defaultStatus": "affected",
"collectionURL": "https://catalog.redhat.com/software/containers/",
"packageName": "openshift4/ose-ironic-agent-rhel9",
"cpes": [
"cpe:/a:redhat:openshift:4.22::el9"
],
"versions": [
{
"version": "1785883346",
"lessThan": "*",
"versionType": "rpm",
"status": "unaffected"
}
]
},
{
"vendor": "Red Hat",
"product": "Red Hat OpenShift Container Platform 4",
"defaultStatus": "affected",
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
"packageName": "openshift4/ose-ironic-agent-rhel8",
"cpes": [
"cpe:/a:redhat:openshift:4"
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"baseScore": 8.0,
"baseSeverity": "HIGH",
"attackVector": "ADJACENT_NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.3,
"impactScore": 6.0
},
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.6,
"impactScore": 5.9
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 6.0
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-05-01T14:13:22.620791Z",
"id": "CVE-2026-43003",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-829"
}
]
},
{
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-78"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:openstack:ironic_python_agent:*:*:*:*:*:*:*:*",
"versionStartIncluding": "1.0.0",
"versionEndIncluding": "11.5.0",
"matchCriteriaId": "58179694-BF82-4D5A-AF1B-6DAF83DD2A42"
}
]
}
]
}
],
"references": [
{
"url": "https://bugs.launchpad.net/ironic-python-agent/+bug/2148310",
"source": "[email protected]",
"tags": [
"Issue Tracking"
]
},
{
"url": "https://github.com/openstack/ironic-python-agent/blob/236b33abffe6688afc39c21e351cc3889b3db2dd/ironic_python_agent/efi_utils.py#L134-L139",
"source": "[email protected]",
"tags": [
"Product"
]
},
{
"url": "http://www.openwall.com/lists/oss-security/2026/06/16/11",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:51038",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:57801",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:60446",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://access.redhat.com/errata/RHSA-2026:60454",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://access.redhat.com/security/cve/CVE-2026-43003",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464306",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43003.json",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
}
]
}