High
ironic-python-agent — security advisory
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.
- Products
- ironic-python-agent
- Affected versions
- 10.2.0-3, 11.2.0-2, 11.5.0-2, 11.5.0-3, 11.5.0-4, 11.5.0-5, 9.1.0-1ubuntu1, 9.14.0-5
- Fixed versions
- Not specified
- CVEs
- CVE-2026-43003
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:44 UTC · Revision 1
Source evidence
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.
osv:UBUNTU-CVE-2026-43003
ironic-python-agent
Fixed versions: Not specified
ironic-python-agent
Fixed versions: Not specified
ironic-python-agent
Fixed versions: Not specified
ironic-python-agent
Fixed versions: Not specified
Complete source record
{
"id": "fc10701d63f60388eb9d9428571084e3b41b511b660a9c172115bbc34329ccab",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-43003",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-43003",
"summary": "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.",
"evidence": "osv:UBUNTU-CVE-2026-43003",
"products": [
{
"name": {
"value": "ironic-python-agent",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "9.1.0-1ubuntu1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "9.14.0-5",
"evidence": "/affected/1/versions"
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{
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"evidence": "/affected/1/versions"
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]
},
{
"name": {
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"evidence": "/affected/2/package/name"
},
"prerequisites": [],
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"affected_versions": [
{
"value": "11.2.0-2",
"evidence": "/affected/2/versions"
},
{
"value": "11.5.0-2",
"evidence": "/affected/2/versions"
},
{
"value": "11.5.0-3",
"evidence": "/affected/2/versions"
},
{
"value": "11.5.0-4",
"evidence": "/affected/2/versions"
},
{
"value": "11.5.0-5",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
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"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "10.2.0-3",
"evidence": "/affected/3/versions"
},
{
"value": "11.2.0-2",
"evidence": "/affected/3/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2026-43003",
"aliases": [
"UBUNTU-CVE-2026-43003"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
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"purl": "pkg:deb/ubuntu/ironic-python-agent?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"9.1.0-1ubuntu1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-43003.json"
},
"ecosystem_specific": {
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{
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"binary_version": "9.1.0-1ubuntu1"
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]
}
},
{
"ranges": [
{
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],
"package": {
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"purl": "pkg:deb/ubuntu/ironic-python-agent?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"9.14.0-5",
"10.2.0-3"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-43003.json"
},
"ecosystem_specific": {
"binaries": [
{
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},
{
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"package": {
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"purl": "pkg:deb/ubuntu/ironic-python-agent?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
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"11.5.0-2",
"11.5.0-3",
"11.5.0-4",
"11.5.0-5"
],
"database_specific": {
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},
"ecosystem_specific": {
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{
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}
},
{
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"package": {
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"purl": "pkg:deb/ubuntu/ironic-python-agent?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"10.2.0-3",
"11.2.0-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-43003.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ironic-python-agent",
"binary_version": "11.2.0-2"
}
]
}
}
],
"modified": "2026-10-17T12:58:54.743282483Z",
"provider": "osv",
"upstream": [
"CVE-2026-43003"
],
"references": [
"https://ubuntu.com/security/CVE-2026-43003",
"https://www.cve.org/CVERecord?id=CVE-2026-43003",
"https://bugs.launchpad.net/ironic-python-agent/+bug/2148310"
]
},
"related_cves": [
{
"value": "CVE-2026-43003",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 359168,
"published_at": "2026-05-01T09:16:00+00:00"
}