UnratedFix available
cert-manager-1.21, cert-manager-acmesolver-1.21 and 4 more products — security advisory
This notice tracks CVE-2026-56851 for cert-manager-1.21, cert-manager-acmesolver-1.21 and 4 more products. Fixed versions are listed in the package details.
- Products
- cert-manager-1.21, cert-manager-acmesolver-1.21, cert-manager-cainjector-1.21, cert-manager-controller-1.21, cert-manager-startupapicheck-1.21, cert-manager-webhook-1.21
- Affected versions
- Not specified
- Fixed versions
- 1.21.2-r0
- CVEs
- CVE-2026-56851
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 09:57 UTC · Revision 1
Source evidence
MINI-859j-3jhw-35h5
osv:MINI-859j-3jhw-35h5
cert-manager-1.21
Fixed versions: 1.21.2-r0
cert-manager-acmesolver-1.21
Fixed versions: 1.21.2-r0
cert-manager-cainjector-1.21
Fixed versions: 1.21.2-r0
cert-manager-controller-1.21
Fixed versions: 1.21.2-r0
cert-manager-startupapicheck-1.21
Fixed versions: 1.21.2-r0
cert-manager-webhook-1.21
Fixed versions: 1.21.2-r0
Complete source record
{
"id": "527e99dcbcc525e515a04f1d0297b6a2cabca186e28849722c156492b451f0b6",
"url": "https://osv.dev/vulnerability/MINI-859j-3jhw-35h5",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "MINI-859j-3jhw-35h5",
"summary": "MINI-859j-3jhw-35h5",
"evidence": "osv:MINI-859j-3jhw-35h5",
"products": [
{
"name": {
"value": "cert-manager-1.21",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.21.2-r0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cert-manager-acmesolver-1.21",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.21.2-r0",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cert-manager-cainjector-1.21",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.21.2-r0",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cert-manager-controller-1.21",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.21.2-r0",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cert-manager-startupapicheck-1.21",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.21.2-r0",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "cert-manager-webhook-1.21",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.21.2-r0",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "MINI-859j-3jhw-35h5",
"aliases": [
"MINI-859j-3jhw-35h5"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.21.2-r0"
}
]
}
],
"package": {
"name": "cert-manager-1.21",
"purl": "pkg:apk/minimos/cert-manager-1.21",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-859j-3jhw-35h5.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.21.2-r0"
}
]
}
],
"package": {
"name": "cert-manager-acmesolver-1.21",
"purl": "pkg:apk/minimos/cert-manager-acmesolver-1.21",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-859j-3jhw-35h5.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.21.2-r0"
}
]
}
],
"package": {
"name": "cert-manager-cainjector-1.21",
"purl": "pkg:apk/minimos/cert-manager-cainjector-1.21",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-859j-3jhw-35h5.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.21.2-r0"
}
]
}
],
"package": {
"name": "cert-manager-controller-1.21",
"purl": "pkg:apk/minimos/cert-manager-controller-1.21",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-859j-3jhw-35h5.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.21.2-r0"
}
]
}
],
"package": {
"name": "cert-manager-startupapicheck-1.21",
"purl": "pkg:apk/minimos/cert-manager-startupapicheck-1.21",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-859j-3jhw-35h5.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.21.2-r0"
}
]
}
],
"package": {
"name": "cert-manager-webhook-1.21",
"purl": "pkg:apk/minimos/cert-manager-webhook-1.21",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-859j-3jhw-35h5.json"
}
}
],
"modified": "2026-10-08T17:23:27.036850725Z",
"provider": "osv",
"upstream": [
"CVE-2026-56851",
"GHSA-gx9w-9qq8-m485",
"GO-2026-6629"
],
"references": []
},
"related_cves": [
{
"value": "CVE-2026-56851",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 103820,
"published_at": "2026-10-08T14:30:43+00:00"
}