MediumFix available
python-zeep — security advisory
Zeep is a Python SOAP client. From 4.0.0 before 4.3.3, Settings.forbid_external is defined but not enforced when parsing WSDL or XSD documents, allowing transitive xsd:import, xsd:include, wsdl:import, and lxml entity or DTD references to fetch attacker-chosen HTTP or HTTPS URLs. This issue is fixed in version 4.3.3.
- Products
- python-zeep
- Affected versions
- 4.2.1-1, 4.2.1-2, 4.2.1-3, 4.3.1-1, 4.3.1-2, 4.3.1-3, 4.3.2-1, 4.3.2-2, 4.3.2-3, 4.3.3-1, 4.3.3-2
- Fixed versions
- 4.3.3-1
- CVEs
- CVE-2026-58501
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 12:18 UTC · Revision 2
Source evidence
Zeep is a Python SOAP client. From 4.0.0 before 4.3.3, Settings.forbid_external is defined but not enforced when parsing WSDL or XSD documents, allowing transitive xsd:import, xsd:include, wsdl:import, and lxml entity or DTD references to fetch attacker-chosen HTTP or HTTPS URLs. This issue is fixed in version 4.3.3.
osv:DEBIAN-CVE-2026-58501
python-zeep
Fixed versions: Not specified
python-zeep
Fixed versions: Not specified
python-zeep
Fixed versions: 4.3.3-1
Complete source record
{
"id": "bbc982bdb49e16693fd376282bdd29db2c1458b11de3741c2997976f8e1e665d",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-58501",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-58501",
"summary": "Zeep is a Python SOAP client. From 4.0.0 before 4.3.3, Settings.forbid_external is defined but not enforced when parsing WSDL or XSD documents, allowing transitive xsd:import, xsd:include, wsdl:import, and lxml entity or DTD references to fetch attacker-chosen HTTP or HTTPS URLs. This issue is fixed in version 4.3.3.",
"evidence": "osv:DEBIAN-CVE-2026-58501",
"products": [
{
"name": {
"value": "python-zeep",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.2.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.2.1-2",
"evidence": "/affected/0/versions"
},
{
"value": "4.2.1-3",
"evidence": "/affected/0/versions"
},
{
"value": "4.3.1-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.3.1-2",
"evidence": "/affected/0/versions"
},
{
"value": "4.3.1-3",
"evidence": "/affected/0/versions"
},
{
"value": "4.3.2-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.3.2-2",
"evidence": "/affected/0/versions"
},
{
"value": "4.3.2-3",
"evidence": "/affected/0/versions"
},
{
"value": "4.3.3-1",
"evidence": "/affected/0/versions"
},
{
"value": "4.3.3-2",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "python-zeep",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "4.3.1-2",
"evidence": "/affected/1/versions"
},
{
"value": "4.3.1-3",
"evidence": "/affected/1/versions"
},
{
"value": "4.3.2-1",
"evidence": "/affected/1/versions"
},
{
"value": "4.3.2-2",
"evidence": "/affected/1/versions"
},
{
"value": "4.3.2-3",
"evidence": "/affected/1/versions"
},
{
"value": "4.3.3-1",
"evidence": "/affected/1/versions"
},
{
"value": "4.3.3-2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "python-zeep",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.3.3-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "4.3.1-2",
"evidence": "/affected/2/versions"
},
{
"value": "4.3.1-3",
"evidence": "/affected/2/versions"
},
{
"value": "4.3.2-1",
"evidence": "/affected/2/versions"
},
{
"value": "4.3.2-2",
"evidence": "/affected/2/versions"
},
{
"value": "4.3.2-3",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2026-58501",
"aliases": [
"DEBIAN-CVE-2026-58501"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "python-zeep",
"purl": "pkg:deb/debian/python-zeep?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"4.2.1-1",
"4.2.1-2",
"4.2.1-3",
"4.3.1-1",
"4.3.1-2",
"4.3.1-3",
"4.3.2-1",
"4.3.2-2",
"4.3.2-3",
"4.3.3-1",
"4.3.3-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-58501.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "python-zeep",
"purl": "pkg:deb/debian/python-zeep?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"4.3.1-2",
"4.3.1-3",
"4.3.2-1",
"4.3.2-2",
"4.3.2-3",
"4.3.3-1",
"4.3.3-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-58501.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.3.3-1"
}
]
}
],
"package": {
"name": "python-zeep",
"purl": "pkg:deb/debian/python-zeep?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"4.3.1-2",
"4.3.1-3",
"4.3.2-1",
"4.3.2-2",
"4.3.2-3"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-58501.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-26T11:47:25.417647700Z",
"provider": "osv",
"upstream": [
"CVE-2026-58501"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-58501"
]
},
"related_cves": [
{
"value": "CVE-2026-58501",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 450825,
"published_at": "2026-07-08T20:16:55.323+00:00"
}