HighFix available
CVE-2026-41066 in lxml - Patched by Root
Type: advisorySources: OSV
Root has patched CVE-2026-41066 in the lxml package for Root:PyPI. Multiple fixed versions available.
- Products
- lxml
- Affected versions
- Not specified
- Fixed versions
- 4.6.5+aikido.1, 4.6.5+aikido.2, 4.9.1+aikido.1, 4.9.1+aikido.2, 4.9.1+aikido.3, 4.9.1+aikido.4, 4.9.3+aikido.2, 4.9.3+aikido.3, 4.9.3+aikido.4, 4.9.3+aikido.5, 5.3.0+aikido.2, 5.3.0+aikido.3, 5.3.0+aikido.4, 5.3.0+aikido.5, 5.4.0+aikido.1, 5.4.0+aikido.2, 5.4.0+aikido.3, 5.4.0+aikido.4, 6.0.2+aikido.2, 6.0.2+aikido.3, 6.0.2+aikido.4, 6.0.2+aikido.5, 6.0.4+aikido.2, 6.0.4+aikido.3, 6.0.4+aikido.4, 6.0.4+aikido.5
- CVEs
- CVE-2026-41066
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 12:38 UTC · Revision 1
Source evidence
Root has patched CVE-2026-41066 in the lxml package for Root:PyPI. Multiple fixed versions available.
osv:ROOT-APP-PYPI-CVE-2026-41066
lxml
Fixed versions: 4.9.3+aikido.2, 5.3.0+aikido.2, 6.0.2+aikido.2, 6.0.4+aikido.2, 4.9.1+aikido.1, 5.4.0+aikido.1, 4.6.5+aikido.1, 6.0.2+aikido.3, 5.3.0+aikido.3, 5.4.0+aikido.2, 4.9.3+aikido.3, 6.0.4+aikido.3, 4.9.1+aikido.2, 4.9.1+aikido.3, 6.0.4+aikido.4, 4.9.3+aikido.4, 6.0.2+aikido.4, 5.3.0+aikido.4, 5.4.0+aikido.3, 4.9.1+aikido.4, 4.6.5+aikido.2, 6.0.4+aikido.5, 6.0.2+aikido.5, 4.9.3+aikido.5, 5.4.0+aikido.4, 5.3.0+aikido.5
Complete source record
{
"id": "6ffe030226eb2ea2dc0a61789063bc3ce658d8a7bbec2fffdf08a814c8bf3dad",
"url": "https://osv.dev/vulnerability/ROOT-APP-PYPI-CVE-2026-41066",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-41066 in lxml - Patched by Root",
"summary": "Root has patched CVE-2026-41066 in the lxml package for Root:PyPI. Multiple fixed versions available.",
"evidence": "osv:ROOT-APP-PYPI-CVE-2026-41066",
"products": [
{
"name": {
"value": "lxml",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "4.9.3+aikido.2",
"evidence": "/affected/0/ranges"
},
{
"value": "5.3.0+aikido.2",
"evidence": "/affected/0/ranges"
},
{
"value": "6.0.2+aikido.2",
"evidence": "/affected/0/ranges"
},
{
"value": "6.0.4+aikido.2",
"evidence": "/affected/0/ranges"
},
{
"value": "4.9.1+aikido.1",
"evidence": "/affected/0/ranges"
},
{
"value": "5.4.0+aikido.1",
"evidence": "/affected/0/ranges"
},
{
"value": "4.6.5+aikido.1",
"evidence": "/affected/0/ranges"
},
{
"value": "6.0.2+aikido.3",
"evidence": "/affected/0/ranges"
},
{
"value": "5.3.0+aikido.3",
"evidence": "/affected/0/ranges"
},
{
"value": "5.4.0+aikido.2",
"evidence": "/affected/0/ranges"
},
{
"value": "4.9.3+aikido.3",
"evidence": "/affected/0/ranges"
},
{
"value": "6.0.4+aikido.3",
"evidence": "/affected/0/ranges"
},
{
"value": "4.9.1+aikido.2",
"evidence": "/affected/0/ranges"
},
{
"value": "4.9.1+aikido.3",
"evidence": "/affected/0/ranges"
},
{
"value": "6.0.4+aikido.4",
"evidence": "/affected/0/ranges"
},
{
"value": "4.9.3+aikido.4",
"evidence": "/affected/0/ranges"
},
{
"value": "6.0.2+aikido.4",
"evidence": "/affected/0/ranges"
},
{
"value": "5.3.0+aikido.4",
"evidence": "/affected/0/ranges"
},
{
"value": "5.4.0+aikido.3",
"evidence": "/affected/0/ranges"
},
{
"value": "4.9.1+aikido.4",
"evidence": "/affected/0/ranges"
},
{
"value": "4.6.5+aikido.2",
"evidence": "/affected/0/ranges"
},
{
"value": "6.0.4+aikido.5",
"evidence": "/affected/0/ranges"
},
{
"value": "6.0.2+aikido.5",
"evidence": "/affected/0/ranges"
},
{
"value": "4.9.3+aikido.5",
"evidence": "/affected/0/ranges"
},
{
"value": "5.4.0+aikido.4",
"evidence": "/affected/0/ranges"
},
{
"value": "5.3.0+aikido.5",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "ROOT-APP-PYPI-CVE-2026-41066",
"aliases": [
"ROOT-APP-PYPI-CVE-2026-41066"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.9.3+aikido.2"
},
{
"fixed": "5.3.0+aikido.2"
},
{
"fixed": "6.0.2+aikido.2"
},
{
"fixed": "6.0.4+aikido.2"
},
{
"fixed": "4.9.1+aikido.1"
},
{
"fixed": "5.4.0+aikido.1"
},
{
"fixed": "4.6.5+aikido.1"
},
{
"fixed": "6.0.2+aikido.3"
},
{
"fixed": "5.3.0+aikido.3"
},
{
"fixed": "5.4.0+aikido.2"
},
{
"fixed": "4.9.3+aikido.3"
},
{
"fixed": "6.0.4+aikido.3"
},
{
"fixed": "4.9.1+aikido.2"
},
{
"fixed": "4.9.1+aikido.3"
},
{
"fixed": "6.0.4+aikido.4"
},
{
"fixed": "4.9.3+aikido.4"
},
{
"fixed": "6.0.2+aikido.4"
},
{
"fixed": "5.3.0+aikido.4"
},
{
"fixed": "5.4.0+aikido.3"
},
{
"fixed": "4.9.1+aikido.4"
},
{
"fixed": "4.6.5+aikido.2"
},
{
"fixed": "6.0.4+aikido.5"
},
{
"fixed": "6.0.2+aikido.5"
},
{
"fixed": "4.9.3+aikido.5"
},
{
"fixed": "5.4.0+aikido.4"
},
{
"fixed": "5.3.0+aikido.5"
}
]
}
],
"package": {
"name": "lxml",
"ecosystem": "Root:PyPI"
},
"database_specific": {
"source": "https://api.root.io/external/osv/ROOT-APP-PYPI-CVE-2026-41066.json",
"root_patched": true,
"upstream_version": "5.3.0",
"all_fixed_versions": [
"4.9.3+aikido.2",
"5.3.0+aikido.2",
"6.0.2+aikido.2",
"6.0.4+aikido.2",
"4.9.1+aikido.1",
"5.4.0+aikido.1",
"4.6.5+aikido.1",
"6.0.2+aikido.3",
"5.3.0+aikido.3",
"5.4.0+aikido.2",
"4.9.3+aikido.3",
"6.0.4+aikido.3",
"4.9.1+aikido.2",
"4.9.1+aikido.3",
"6.0.4+aikido.4",
"4.9.3+aikido.4",
"6.0.2+aikido.4",
"5.3.0+aikido.4",
"5.4.0+aikido.3",
"4.9.1+aikido.4",
"4.6.5+aikido.2",
"6.0.4+aikido.5",
"6.0.2+aikido.5",
"4.9.3+aikido.5",
"5.4.0+aikido.4",
"5.3.0+aikido.5"
],
"root_patch_version": "aikido.5",
"total_fixed_versions": 26
}
}
],
"modified": "2026-10-09T16:15:05.111562353Z",
"provider": "osv",
"upstream": [
"CVE-2026-41066"
],
"references": [],
"provider_metadata": {
"distro": "pypi",
"source": "Root",
"severity": "HIGH",
"distro_version": ""
}
},
"related_cves": [
{
"value": "CVE-2026-41066",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/database_specific/severity"
},
"source_id": "core-osv",
"document_id": 121339,
"published_at": "2026-10-09T15:13:36+00:00"
}