HighFix available
gRPC-Go is the Go language implementation of gRPC
Type: advisorySources: OSV
CVE-2026-84304 affects multiple packages. gRPC-Go is the Go language implementation of gRPC. See references for individual vulnerability details.
- Products
- argo-rollouts-fips, external-dns, istio-pilot-discovery, kube-state-metrics, opentelemetry-collector-contrib, temporal-server, temporal-server-fips
- Affected versions
- Not specified
- Fixed versions
- 0.159.0-r4, 0.20.0-r3, 1.10.1-r1, 1.29.8-r1, 1.30.1-r1, 1.30.8-r1, 1.31.4-r1, 2.20.0-r4
- CVEs
- CVE-2026-84304
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 12:56 UTC · Revision 1
Source evidence
gRPC-Go is the Go language implementation of gRPC
core-osv · Original sourcePublished 15 Oct 2026, 00:42 UTC
CVE-2026-84304 affects multiple packages. gRPC-Go is the Go language implementation of gRPC. See references for individual vulnerability details.
osv:CLEANSTART-2026-AV21683
temporal-server
Fixed versions: 1.30.8-r1
temporal-server-fips
Fixed versions: 1.31.4-r1
argo-rollouts-fips
Fixed versions: 1.10.1-r1
istio-pilot-discovery
Fixed versions: 1.29.8-r1
istio-pilot-discovery
Fixed versions: 1.30.1-r1
opentelemetry-collector-contrib
Fixed versions: 0.159.0-r4
external-dns
Fixed versions: 0.20.0-r3
kube-state-metrics
Fixed versions: 2.20.0-r4
Complete source record
{
"id": "adfa772ee4803c7497cb849161f72eb01305bb7bcfb21e6312233e9d4b54e27a",
"url": "https://osv.dev/vulnerability/CLEANSTART-2026-AV21683",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "gRPC-Go is the Go language implementation of gRPC",
"summary": "CVE-2026-84304 affects multiple packages. gRPC-Go is the Go language implementation of gRPC. See references for individual vulnerability details.",
"evidence": "osv:CLEANSTART-2026-AV21683",
"products": [
{
"name": {
"value": "temporal-server",
"evidence": "/affected/0/package/name"
},
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"fixed_versions": [
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"evidence": "/affected/0/ranges"
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{
"name": {
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"evidence": "/affected/1/package/name"
},
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}
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{
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{
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"affected_versions": []
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{
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"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "opentelemetry-collector-contrib",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.159.0-r4",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/6/package/name"
},
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{
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"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "kube-state-metrics",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "2.20.0-r4",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "CLEANSTART-2026-AV21683",
"aliases": [
"CLEANSTART-2026-AV21683"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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": "1.30.8-r1"
}
]
}
],
"package": {
"name": "temporal-server",
"purl": "pkg:apk/cleanstart/temporal-server",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AV21683.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
"fixed": "1.31.4-r1"
}
]
}
],
"package": {
"name": "temporal-server-fips",
"purl": "pkg:apk/cleanstart/temporal-server-fips",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AV21683.json"
}
},
{
"ranges": [
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{
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],
"package": {
"name": "argo-rollouts-fips",
"purl": "pkg:apk/cleanstart/argo-rollouts-fips",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AV21683.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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{
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],
"package": {
"name": "istio-pilot-discovery",
"purl": "pkg:apk/cleanstart/istio-pilot-discovery",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AV21683.json"
}
},
{
"ranges": [
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]
}
],
"package": {
"name": "istio-pilot-discovery",
"purl": "pkg:apk/cleanstart/istio-pilot-discovery",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AV21683.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.159.0-r4"
}
]
}
],
"package": {
"name": "opentelemetry-collector-contrib",
"purl": "pkg:apk/cleanstart/opentelemetry-collector-contrib",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AV21683.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.20.0-r3"
}
]
}
],
"package": {
"name": "external-dns",
"purl": "pkg:apk/cleanstart/external-dns",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AV21683.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.20.0-r4"
}
]
}
],
"package": {
"name": "kube-state-metrics",
"purl": "pkg:apk/cleanstart/kube-state-metrics",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-AV21683.json"
}
}
],
"modified": "2026-10-15T01:00:03.274410281Z",
"provider": "osv",
"upstream": [
"CVE-2026-84304"
],
"references": [
"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-AV21683.json",
"https://osv.dev/vulnerability/CVE-2026-84304",
"https://nvd.nist.gov/vuln/detail/CVE-2026-84304"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2026-84304",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 318136,
"published_at": "2026-10-15T00:42:13.277008+00:00"
}