MediumFix available
gRPC-Go is the Go language implementation of gRPC
Type: advisorySources: OSV
CVE-2026-84303 affects multiple packages. gRPC-Go is the Go language implementation of gRPC. See references for individual vulnerability details.
- Products
- etcd, grafana-rollout-operator, kyverno, rabbitmq-cluster-operator
- Affected versions
- Not specified
- Fixed versions
- 0.36.1-r0, 1.18.1-r5, 2.22.4-r2, 3.5.29-r1, 3.6.10-r4
- CVEs
- CVE-2026-84303
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 20:31 UTC · Revision 1
Source evidence
gRPC-Go is the Go language implementation of gRPC
core-osv · Original sourcePublished 23 Oct 2026, 00:36 UTC
CVE-2026-84303 affects multiple packages. gRPC-Go is the Go language implementation of gRPC. See references for individual vulnerability details.
osv:CLEANSTART-2026-TH83287
etcd
Fixed versions: 3.5.29-r1
etcd
Fixed versions: 3.6.10-r4
grafana-rollout-operator
Fixed versions: 0.36.1-r0
rabbitmq-cluster-operator
Fixed versions: 2.22.4-r2
kyverno
Fixed versions: 1.18.1-r5
Complete source record
{
"id": "97d9e59dc087fe7c42f972dd1a9a2ffbe0fb155a9884dbf69cb501c1768118f7",
"url": "https://osv.dev/vulnerability/CLEANSTART-2026-TH83287",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "gRPC-Go is the Go language implementation of gRPC",
"summary": "CVE-2026-84303 affects multiple packages. gRPC-Go is the Go language implementation of gRPC. See references for individual vulnerability details.",
"evidence": "osv:CLEANSTART-2026-TH83287",
"products": [
{
"name": {
"value": "etcd",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.5.29-r1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "etcd",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.6.10-r4",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "grafana-rollout-operator",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.36.1-r0",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "rabbitmq-cluster-operator",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.22.4-r2",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "kyverno",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.18.1-r5",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "medium",
"structured": {
"id": "CLEANSTART-2026-TH83287",
"aliases": [
"CLEANSTART-2026-TH83287"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.5.29-r1"
}
]
}
],
"package": {
"name": "etcd",
"purl": "pkg:apk/cleanstart/etcd",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-TH83287.json"
}
},
{
"ranges": [
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"events": [
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{
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}
]
}
],
"package": {
"name": "etcd",
"purl": "pkg:apk/cleanstart/etcd",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-TH83287.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.36.1-r0"
}
]
}
],
"package": {
"name": "grafana-rollout-operator",
"purl": "pkg:apk/cleanstart/grafana-rollout-operator",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-TH83287.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.22.4-r2"
}
]
}
],
"package": {
"name": "rabbitmq-cluster-operator",
"purl": "pkg:apk/cleanstart/rabbitmq-cluster-operator",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-TH83287.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.18.1-r5"
}
]
}
],
"package": {
"name": "kyverno",
"purl": "pkg:apk/cleanstart/kyverno",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-TH83287.json"
}
}
],
"modified": "2026-10-23T00:45:20.521208857Z",
"provider": "osv",
"upstream": [
"CVE-2026-84303"
],
"references": [
"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-TH83287.json",
"https://osv.dev/vulnerability/CVE-2026-84303",
"https://nvd.nist.gov/vuln/detail/CVE-2026-84303"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2026-84303",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 411158,
"published_at": "2026-10-23T00:36:34.038783+00:00"
}