High
Security advisory
A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the spec.rules[].http.paths[].path field of an Ingress object (in the networking.k8s.io or extensions API group) to obtain the credentials of the ingress-nginx controller. In the default configuration, that credential has access to all secrets in the cluster.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-25745
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:41 UTC · Revision 1
Source evidence
A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the spec.rules[].http.paths[].path field of an Ingress object (in the networking.k8s.io or extensions API group) to obtain the credentials of the ingress-nginx controller. In the default configuration, that credential has access to all secrets in the cluster.
osv:CVE-2021-25745
Complete source record
{
"id": "203be8ad4ab5e007a61a0608a8555be1a800a8c4a88a2262b521aa86036f70b0",
"url": "https://osv.dev/vulnerability/CVE-2021-25745",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-25745",
"summary": "A security issue was discovered in ingress-nginx where a user that can create or update ingress objects can use the spec.rules[].http.paths[].path field of an Ingress object (in the networking.k8s.io or extensions API group) to obtain the credentials of the ingress-nginx controller. In the default configuration, that credential has access to all secrets in the cluster.",
"evidence": "osv:CVE-2021-25745",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2021-25745",
"aliases": [
"CVE-2021-25745",
"GHSA-pvmg-xgmx-9mxh"
],
"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": [
{
"ranges": [
{
"repo": "https://github.com/kubernetes/ingress-nginx",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "6d9a39eda7b180f27b34726d7a7a96d73808ce75"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:kubernetes:ingress-nginx:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "1.2.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
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"ingress-nginx-3.12.0",
"ingress-nginx-3.11.1",
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"ingress-nginx-3.10.1",
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"ingress-nginx-3.10.0",
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"ingress-nginx-3.7.1",
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"ingress-nginx-3.4.0",
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"ingress-nginx-3.2.0",
"ingress-nginx-3.1.0",
"ingress-nginx-3.0.0",
"ingress-nginx-2.16.0",
"ingress-nginx-2.15.0",
"ingress-nginx-2.14.0",
"ingress-nginx-2.13.0",
"controller-v0.35.0",
"ingress-nginx-2.12.1",
"ingress-nginx-2.12.0",
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"ingress-nginx-2.11.1",
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"ingress-nginx-2.9.1",
"ingress-nginx-2.9.0",
"ingress-nginx-2.8.0",
"ingress-nginx-2.7.1",
"ingress-nginx-2.7.0",
"ingress-nginx-2.6.0",
"ingress-nginx-2.5.0",
"ingress-nginx-2.4.0",
"ingress-nginx-2.0.3",
"ingress-nginx-2.3.0",
"ingress-nginx-2.2.0",
"ingress-nginx-2.1.0",
"ingress-nginx-2.0.2",
"ingress-nginx-2.0.1",
"ingress-nginx-2.0.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-25745.json"
}
}
],
"modified": "2026-10-20T10:54:33.756156360Z",
"provider": "osv",
"references": [
"https://security.netapp.com/advisory/ntap-20220609-0006/",
"https://github.com/kubernetes/ingress-nginx/issues/8502",
"https://groups.google.com/g/kubernetes-security-announce/c/7vQrpDZeBlc"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2021-25745",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 385585,
"published_at": "2022-05-06T01:15:09.047+00:00"
}