MediumFix available
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
- 3:23.0.0-5, 3:23.0.0-5+deb12u1, 3:25.3.0-3, 3:25.5.0-4, 3:25.5.1-1, 3:25.5.1-2, 3:25.5.1-3, 3:25.6.0-1, 3:25.6.0-2, 3:25.7.0-1, 3:25.7.0-2, 3:25.7.1-1, 3:25.7.2-1, 3:25.7.3-1
- Fixed versions
- 3:23.0.0-5+deb12u2, 3:25.3.0-3+deb13u1, 3:25.7.3-2
- CVEs
- CVE-2026-55748
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 17:43 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:DEBIAN-CVE-2026-55748
horizon
Fixed versions: 3:23.0.0-5+deb12u2
horizon
Fixed versions: 3:25.3.0-3+deb13u1
horizon
Fixed versions: 3:25.7.3-2
Complete source record
{
"id": "ac90bdf8011fc5da9d36d22775d44f85ecc12677ab1e6532e2486a5f6eef2732",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-55748",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-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:DEBIAN-CVE-2026-55748",
"products": [
{
"name": {
"value": "horizon",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3:23.0.0-5+deb12u2",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": [
{
"value": "3:23.0.0-5",
"evidence": "/affected/0/versions"
},
{
"value": "3:23.0.0-5+deb12u1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "horizon",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3:25.3.0-3+deb13u1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": [
{
"value": "3:25.3.0-3",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "horizon",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3:25.7.3-2",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "3:25.3.0-3",
"evidence": "/affected/2/versions"
},
{
"value": "3:25.5.0-4",
"evidence": "/affected/2/versions"
},
{
"value": "3:25.5.1-1",
"evidence": "/affected/2/versions"
},
{
"value": "3:25.5.1-2",
"evidence": "/affected/2/versions"
},
{
"value": "3:25.5.1-3",
"evidence": "/affected/2/versions"
},
{
"value": "3:25.6.0-1",
"evidence": "/affected/2/versions"
},
{
"value": "3:25.6.0-2",
"evidence": "/affected/2/versions"
},
{
"value": "3:25.7.0-1",
"evidence": "/affected/2/versions"
},
{
"value": "3:25.7.0-2",
"evidence": "/affected/2/versions"
},
{
"value": "3:25.7.1-1",
"evidence": "/affected/2/versions"
},
{
"value": "3:25.7.2-1",
"evidence": "/affected/2/versions"
},
{
"value": "3:25.7.3-1",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2026-55748",
"aliases": [
"DEBIAN-CVE-2026-55748"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3:23.0.0-5+deb12u2"
}
]
}
],
"package": {
"name": "horizon",
"purl": "pkg:deb/debian/horizon?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"3:23.0.0-5",
"3:23.0.0-5+deb12u1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-55748.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3:25.3.0-3+deb13u1"
}
]
}
],
"package": {
"name": "horizon",
"purl": "pkg:deb/debian/horizon?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"3:25.3.0-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-55748.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3:25.7.3-2"
}
]
}
],
"package": {
"name": "horizon",
"purl": "pkg:deb/debian/horizon?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"3:25.3.0-3",
"3:25.5.0-4",
"3:25.5.1-1",
"3:25.5.1-2",
"3:25.5.1-3",
"3:25.6.0-1",
"3:25.6.0-2",
"3:25.7.0-1",
"3:25.7.0-2",
"3:25.7.1-1",
"3:25.7.2-1",
"3:25.7.3-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-55748.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-27T09:47:29.925112573Z",
"provider": "osv",
"upstream": [
"CVE-2026-55748"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-55748"
]
},
"related_cves": [
{
"value": "CVE-2026-55748",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 461038,
"published_at": "2026-06-17T15:17:02.503+00:00"
}