High
Security advisory
A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-25741
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:57 UTC · Revision 1
Source evidence
A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.
osv:CVE-2021-25741
Complete source record
{
"id": "654f1b2bc76efe5cbc5936007c7fb2f2100917d26f1df21e6dd3829864250c9d",
"url": "https://osv.dev/vulnerability/CVE-2021-25741",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-25741",
"summary": "A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.",
"evidence": "osv:CVE-2021-25741",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-25741",
"aliases": [
"CVE-2021-25741",
"GHSA-f5f7-6478-qm6p",
"GO-2022-0910"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
}
],
"affected": [
{
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"database_specific": {
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},
{
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}
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}
}
],
"modified": "2026-10-24T10:51:24.443525870Z",
"provider": "osv",
"references": [
"https://security.netapp.com/advisory/ntap-20211008-0006/",
"https://github.com/kubernetes/kubernetes/issues/104980",
"https://groups.google.com/g/kubernetes-security-announce/c/nyfdhK24H7s"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-25741",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 442593,
"published_at": "2021-09-20T17:15:08.343+00:00"
}