Medium
horizon — security advisory
OpenStack Horizon before 25.7.4 produces scripts for OpenStack RC file downloading that may have a crafted project name with shell metacharacters. NOTE: some parties consider this a security hardening opportunity to address certain types of user error, not a vulnerability.
- Products
- horizon
- Affected versions
- 2:8.0.0-0ubuntu2, 2:9.0.0-0ubuntu1, 2:9.0.0-0ubuntu2, 2:9.0.0-0ubuntu2.16.04.1, 2:9.0.0~b1-0ubuntu1, 2:9.0.0~b1-0ubuntu2, 2:9.0.0~b2-0ubuntu1, 2:9.0.0~b3-0ubuntu1, 2:9.0.0~rc1-0ubuntu1, 2:9.0.1-0ubuntu2, 2:9.1.0-0ubuntu1, 2:9.1.1-0ubuntu1, 2:9.1.2-0ubuntu1, 2:9.1.2-0ubuntu2, 2:9.1.2-0ubuntu3, 2:9.1.2-0ubuntu5, 2:9.1.2-0ubuntu5.2, 3:12.0.0-0ubuntu2.1, 3:12.0.0-0ubuntu3, 3:13.0.0-0ubuntu1, 3:13.0.0-0ubuntu1.1, 3:13.0.0~b1-0ubuntu1, 3:13.0.0~b1-0ubuntu2, 3:13.0.1-0ubuntu1, 3:13.0.1-0ubuntu2, 3:13.0.1-0ubuntu3, 3:13.0.1-0ubuntu4, 3:13.0.1-0ubuntu5, 3:13.0.1-0ubuntu6, 3:13.0.2-0ubuntu1, 3:13.0.2-0ubuntu2, 3:13.0.2-0ubuntu3, 3:13.0.3-0ubuntu1, 3:13.0.3-0ubuntu2, 3:16.0.0-0ubuntu1, 3:17.0.0~b1~git2019121712.f7313b74c-0ubuntu1, 3:18.0.1~git2020021409.bb959361b-0ubuntu2, 3:18.0.1~git2020021409.bb959361b-0ubuntu3, 3:18.2.1~git2020032709.2c4470272-0ubuntu1, 3:18.2.1~git2020041013.754804667-0ubuntu1, 3:18.2.1~git2020041013.754804667-0ubuntu2, 3:18.2.1~git2020041013.754804667-0ubuntu3, 3:18.3.2-0ubuntu0.20.04.1, 3:18.3.2-0ubuntu0.20.04.2, 3:18.3.2-0ubuntu0.20.04.4, 3:18.3.3-0ubuntu1, 3:18.3.4-0ubuntu1, 3:18.3.5-0ubuntu1, 3:18.3.5-0ubuntu2, 3:18.3.5-0ubuntu2.1, 3:18.3.5-0ubuntu2.2, 3:18.3.5-0ubuntu2.3, 3:18.3.5-0ubuntu2.3+esm1, 4:20.1.0-0ubuntu1, 4:20.2.0+git2021120911.fc1012628-0ubuntu1, 4:20.2.0+git2022011216.8fe5bbc8d-0ubuntu1, 4:21.0.0+git2022030313.dd9e4c82b-0ubuntu2, 4:22.1.0-0ubuntu1, 4:22.1.0-0ubuntu2, 4:22.1.0-0ubuntu2.1, 4:22.1.1-0ubuntu1, 4:22.1.1-0ubuntu1.1, 4:23.3.0-0ubuntu1, 4:23.3.0-0ubuntu2, 4:23.4.0+git2024011916.a77818d7-0ubuntu1, 4:24.0.0-0ubuntu1, 4:24.0.0-0ubuntu1.1, 4:24.0.0-0ubuntu1.2, 4:24.0.0-0ubuntu1.3, 4:24.0.1-0ubuntu0.24.04.1, 4:24.0.1-0ubuntu0.24.04.2, 4:25.3.0-0ubuntu1, 4:25.4.0+git2025070714.33cbc0c53-0ubuntu2, 4:25.5.1+git2026012819.479212220-0ubuntu1, 4:25.5.1-0ubuntu1, 4:25.5.1-0ubuntu1.1, 4:25.5.1-0ubuntu2, 4:25.7.1-0ubuntu1, 4:26.0.0-0ubuntu1, 4:27.0.0-0ubuntu1
- Fixed versions
- Not specified
- CVEs
- CVE-2026-55748
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 02:46 UTC · Revision 1
Source evidence
OpenStack Horizon before 25.7.4 produces scripts for OpenStack RC file downloading that may have a crafted project name with shell metacharacters. NOTE: some parties consider this a security hardening opportunity to address certain types of user error, not a vulnerability.
osv:UBUNTU-CVE-2026-55748
horizon
Fixed versions: Not specified
horizon
Fixed versions: Not specified
horizon
Fixed versions: Not specified
horizon
Fixed versions: Not specified
horizon
Fixed versions: Not specified
horizon
Fixed versions: Not specified
horizon
Fixed versions: Not specified
horizon
Fixed versions: Not specified
Complete source record
{
"id": "8a807608f5d5ff7c3a3b8af4b9010e0c373829434f7ad5905b765bc7ba682b62",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-55748",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2026-55748",
"summary": "OpenStack Horizon before 25.7.4 produces scripts for OpenStack RC file downloading that may have a crafted project name with shell metacharacters. NOTE: some parties consider this a security hardening opportunity to address certain types of user error, not a vulnerability.",
"evidence": "osv:UBUNTU-CVE-2026-55748",
"products": [
{
"name": {
"value": "horizon",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2:8.0.0-0ubuntu2",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.0.0~b1-0ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.0.0~b1-0ubuntu2",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.0.0~b2-0ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.0.0~b3-0ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.0.0~rc1-0ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.0.0-0ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.0.0-0ubuntu2",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.0.0-0ubuntu2.16.04.1",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.0.1-0ubuntu2",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.1.0-0ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.1.1-0ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.1.2-0ubuntu1",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.1.2-0ubuntu2",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.1.2-0ubuntu3",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.1.2-0ubuntu5",
"evidence": "/affected/0/versions"
},
{
"value": "2:9.1.2-0ubuntu5.2",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "horizon",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3:12.0.0-0ubuntu2.1",
"evidence": "/affected/1/versions"
},
{
"value": "3:12.0.0-0ubuntu3",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.0~b1-0ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.0~b1-0ubuntu2",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.0-0ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.0-0ubuntu1.1",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.1-0ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.1-0ubuntu2",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.1-0ubuntu3",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.1-0ubuntu4",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.1-0ubuntu5",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.1-0ubuntu6",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.2-0ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.2-0ubuntu2",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.2-0ubuntu3",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.3-0ubuntu1",
"evidence": "/affected/1/versions"
},
{
"value": "3:13.0.3-0ubuntu2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "horizon",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "3:16.0.0-0ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "3:17.0.0~b1~git2019121712.f7313b74c-0ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.0.1~git2020021409.bb959361b-0ubuntu2",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.0.1~git2020021409.bb959361b-0ubuntu3",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.2.1~git2020032709.2c4470272-0ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.2.1~git2020041013.754804667-0ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.2.1~git2020041013.754804667-0ubuntu2",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.2.1~git2020041013.754804667-0ubuntu3",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.3.2-0ubuntu0.20.04.1",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.3.2-0ubuntu0.20.04.2",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.3.2-0ubuntu0.20.04.4",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.3.3-0ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.3.4-0ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.3.5-0ubuntu1",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.3.5-0ubuntu2",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.3.5-0ubuntu2.1",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.3.5-0ubuntu2.2",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.3.5-0ubuntu2.3",
"evidence": "/affected/2/versions"
},
{
"value": "3:18.3.5-0ubuntu2.3+esm1",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "horizon",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4:20.1.0-0ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "4:20.2.0+git2021120911.fc1012628-0ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "4:20.2.0+git2022011216.8fe5bbc8d-0ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "4:21.0.0+git2022030313.dd9e4c82b-0ubuntu2",
"evidence": "/affected/3/versions"
},
{
"value": "4:22.1.0-0ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "4:22.1.0-0ubuntu2",
"evidence": "/affected/3/versions"
},
{
"value": "4:22.1.0-0ubuntu2.1",
"evidence": "/affected/3/versions"
},
{
"value": "4:22.1.1-0ubuntu1",
"evidence": "/affected/3/versions"
},
{
"value": "4:22.1.1-0ubuntu1.1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "horizon",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4:23.3.0-0ubuntu1",
"evidence": "/affected/4/versions"
},
{
"value": "4:23.3.0-0ubuntu2",
"evidence": "/affected/4/versions"
},
{
"value": "4:23.4.0+git2024011916.a77818d7-0ubuntu1",
"evidence": "/affected/4/versions"
},
{
"value": "4:24.0.0-0ubuntu1",
"evidence": "/affected/4/versions"
},
{
"value": "4:24.0.0-0ubuntu1.1",
"evidence": "/affected/4/versions"
},
{
"value": "4:24.0.0-0ubuntu1.2",
"evidence": "/affected/4/versions"
},
{
"value": "4:24.0.0-0ubuntu1.3",
"evidence": "/affected/4/versions"
},
{
"value": "4:24.0.1-0ubuntu0.24.04.1",
"evidence": "/affected/4/versions"
},
{
"value": "4:24.0.1-0ubuntu0.24.04.2",
"evidence": "/affected/4/versions"
}
]
},
{
"name": {
"value": "horizon",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4:25.3.0-0ubuntu1",
"evidence": "/affected/5/versions"
},
{
"value": "4:25.4.0+git2025070714.33cbc0c53-0ubuntu2",
"evidence": "/affected/5/versions"
},
{
"value": "4:25.5.1-0ubuntu1",
"evidence": "/affected/5/versions"
},
{
"value": "4:25.5.1-0ubuntu1.1",
"evidence": "/affected/5/versions"
}
]
},
{
"name": {
"value": "horizon",
"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4:25.7.1-0ubuntu1",
"evidence": "/affected/6/versions"
},
{
"value": "4:26.0.0-0ubuntu1",
"evidence": "/affected/6/versions"
},
{
"value": "4:27.0.0-0ubuntu1",
"evidence": "/affected/6/versions"
}
]
},
{
"name": {
"value": "horizon",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4:25.5.1-0ubuntu1",
"evidence": "/affected/7/versions"
},
{
"value": "4:25.5.1-0ubuntu2",
"evidence": "/affected/7/versions"
},
{
"value": "4:25.5.1+git2026012819.479212220-0ubuntu1",
"evidence": "/affected/7/versions"
},
{
"value": "4:25.7.1-0ubuntu1",
"evidence": "/affected/7/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2026-55748",
"aliases": [
"UBUNTU-CVE-2026-55748"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:L"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "horizon",
"purl": "pkg:deb/ubuntu/horizon?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"2:8.0.0-0ubuntu2",
"2:9.0.0~b1-0ubuntu1",
"2:9.0.0~b1-0ubuntu2",
"2:9.0.0~b2-0ubuntu1",
"2:9.0.0~b3-0ubuntu1",
"2:9.0.0~rc1-0ubuntu1",
"2:9.0.0-0ubuntu1",
"2:9.0.0-0ubuntu2",
"2:9.0.0-0ubuntu2.16.04.1",
"2:9.0.1-0ubuntu2",
"2:9.1.0-0ubuntu1",
"2:9.1.1-0ubuntu1",
"2:9.1.2-0ubuntu1",
"2:9.1.2-0ubuntu2",
"2:9.1.2-0ubuntu3",
"2:9.1.2-0ubuntu5",
"2:9.1.2-0ubuntu5.2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-55748.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openstack-dashboard",
"binary_version": "2:9.1.2-0ubuntu5.2"
},
{
"binary_name": "openstack-dashboard-ubuntu-theme",
"binary_version": "2:9.1.2-0ubuntu5.2"
},
{
"binary_name": "python-django-horizon",
"binary_version": "2:9.1.2-0ubuntu5.2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "horizon",
"purl": "pkg:deb/ubuntu/horizon?arch=source&distro=bionic",
"ecosystem": "Ubuntu:18.04:LTS"
},
"versions": [
"3:12.0.0-0ubuntu2.1",
"3:12.0.0-0ubuntu3",
"3:13.0.0~b1-0ubuntu1",
"3:13.0.0~b1-0ubuntu2",
"3:13.0.0-0ubuntu1",
"3:13.0.0-0ubuntu1.1",
"3:13.0.1-0ubuntu1",
"3:13.0.1-0ubuntu2",
"3:13.0.1-0ubuntu3",
"3:13.0.1-0ubuntu4",
"3:13.0.1-0ubuntu5",
"3:13.0.1-0ubuntu6",
"3:13.0.2-0ubuntu1",
"3:13.0.2-0ubuntu2",
"3:13.0.2-0ubuntu3",
"3:13.0.3-0ubuntu1",
"3:13.0.3-0ubuntu2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-55748.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openstack-dashboard",
"binary_version": "3:13.0.3-0ubuntu2"
},
{
"binary_name": "openstack-dashboard-ubuntu-theme",
"binary_version": "3:13.0.3-0ubuntu2"
},
{
"binary_name": "python-django-horizon",
"binary_version": "3:13.0.3-0ubuntu2"
},
{
"binary_name": "python-django-openstack-auth",
"binary_version": "3:13.0.3-0ubuntu2"
},
{
"binary_name": "python3-django-openstack-auth",
"binary_version": "3:13.0.3-0ubuntu2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "horizon",
"purl": "pkg:deb/ubuntu/horizon?arch=source&distro=esm-infra%2Ffocal",
"ecosystem": "Ubuntu:Pro:20.04:LTS"
},
"versions": [
"3:16.0.0-0ubuntu1",
"3:17.0.0~b1~git2019121712.f7313b74c-0ubuntu1",
"3:18.0.1~git2020021409.bb959361b-0ubuntu2",
"3:18.0.1~git2020021409.bb959361b-0ubuntu3",
"3:18.2.1~git2020032709.2c4470272-0ubuntu1",
"3:18.2.1~git2020041013.754804667-0ubuntu1",
"3:18.2.1~git2020041013.754804667-0ubuntu2",
"3:18.2.1~git2020041013.754804667-0ubuntu3",
"3:18.3.2-0ubuntu0.20.04.1",
"3:18.3.2-0ubuntu0.20.04.2",
"3:18.3.2-0ubuntu0.20.04.4",
"3:18.3.3-0ubuntu1",
"3:18.3.4-0ubuntu1",
"3:18.3.5-0ubuntu1",
"3:18.3.5-0ubuntu2",
"3:18.3.5-0ubuntu2.1",
"3:18.3.5-0ubuntu2.2",
"3:18.3.5-0ubuntu2.3",
"3:18.3.5-0ubuntu2.3+esm1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-55748.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "openstack-dashboard",
"binary_version": "3:18.3.5-0ubuntu2.3+esm1"
},
{
"binary_name": "openstack-dashboard-common",
"binary_version": "3:18.3.5-0ubuntu2.3+esm1"
},
{
"binary_name": "openstack-dashboard-ubuntu-theme",
"binary_version": "3:18.3.5-0ubuntu2.3+esm1"
},
{
"binary_name": "python3-django-horizon",
"binary_version": "3:18.3.5-0ubuntu2.3+esm1"
},
{
"binary_name": "python3-django-openstack-auth",
"binary_version": "3:18.3.5-0ubuntu2.3+esm1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "horizon",
"purl": "pkg:deb/ubuntu/horizon?arch=source&distro=jammy",
"ecosystem": "Ubuntu:22.04:LTS"
},
"versions": [
"4:20.1.0-0ubuntu1",
"4:20.2.0+git2021120911.fc1012628-0ubuntu1",
"4:20.2.0+git2022011216.8fe5bbc8d-0ubuntu1",
"4:21.0.0+git2022030313.dd9e4c82b-0ubuntu2",
"4:22.1.0-0ubuntu1",
"4:22.1.0-0ubuntu2",
"4:22.1.0-0ubuntu2.1",
"4:22.1.1-0ubuntu1",
"4:22.1.1-0ubuntu1.1"
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],
"modified": "2026-10-17T12:59:08.934677637Z",
"provider": "osv",
"upstream": [
"CVE-2026-55748"
],
"references": [
"https://ubuntu.com/security/CVE-2026-55748",
"https://www.cve.org/CVERecord?id=CVE-2026-55748",
"https://wiki.openstack.org/wiki/OSSN/OSSN-0097",
"https://launchpad.net/bugs/2152240"
]
},
"related_cves": [
{
"value": "CVE-2026-55748",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 359344,
"published_at": "2026-06-17T15:17:00+00:00"
}