Unrated
CVE-2026-4360 affecting package python-py 1.11.0-1
Type: advisorySources: OSV
In the Tarfile.extract() function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract() function.
- Products
- python-py
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-4360
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 17:28 UTC · Revision 1
Source evidence
CVE-2026-4360 affecting package python-py 1.11.0-1
core-osv · Original sourcePublished 30 Jun 2026, 15:16 UTC
In the Tarfile.extract() function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract() function.
osv:AZL-109710
python-py
Fixed versions: Not specified
Complete source record
{
"id": "77552ad726f3c659e8b5556b544713099486abab00ca52a7b237f99410b3a4c8",
"url": "https://osv.dev/vulnerability/AZL-109710",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2026-4360 affecting package python-py 1.11.0-1",
"summary": "In the Tarfile.extract() function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract() function.",
"evidence": "osv:AZL-109710",
"products": [
{
"name": {
"value": "python-py",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "AZL-109710",
"aliases": [
"AZL-109710"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"last_affected": "1.11.0-1"
}
]
}
],
"package": {
"name": "python-py",
"purl": "pkg:rpm/azure-linux/python-py",
"ecosystem": "Azure Linux:3"
},
"database_specific": {
"source": "https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-109710.json"
}
}
],
"modified": "2026-10-27T05:36:16Z",
"provider": "osv",
"upstream": [
"CVE-2026-4360"
],
"references": [
"https://nvd.nist.gov/vuln/detail/CVE-2026-4360"
]
},
"related_cves": [
{
"value": "CVE-2026-4360",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 460527,
"published_at": "2026-06-30T15:16:57+00:00"
}