UnratedFix available
linkerd2-cli, linkerd2-controller and 3 more products — security advisory
This notice tracks CVE-2026-56851 for linkerd2-cli, linkerd2-controller and 3 more products. Fixed versions are listed in the package details.
- Products
- linkerd2-cli, linkerd2-controller, linkerd2-metrics-api, linkerd2-tap, linkerd2-web
- Affected versions
- Not specified
- Fixed versions
- 26.8.3-r0
- CVEs
- CVE-2026-56851
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 12:57 UTC · Revision 1
Source evidence
MINI-q6g5-5pw4-cx2m
osv:MINI-q6g5-5pw4-cx2m
linkerd2-cli
Fixed versions: 26.8.3-r0
linkerd2-controller
Fixed versions: 26.8.3-r0
linkerd2-metrics-api
Fixed versions: 26.8.3-r0
linkerd2-tap
Fixed versions: 26.8.3-r0
linkerd2-web
Fixed versions: 26.8.3-r0
Complete source record
{
"id": "2a5becc8107eec3e21f60fb33cc44b424a6bc734020650ca0e069f2e9c38723a",
"url": "https://osv.dev/vulnerability/MINI-q6g5-5pw4-cx2m",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "MINI-q6g5-5pw4-cx2m",
"summary": "MINI-q6g5-5pw4-cx2m",
"evidence": "osv:MINI-q6g5-5pw4-cx2m",
"products": [
{
"name": {
"value": "linkerd2-cli",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "26.8.3-r0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linkerd2-controller",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "26.8.3-r0",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linkerd2-metrics-api",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "26.8.3-r0",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linkerd2-tap",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "26.8.3-r0",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linkerd2-web",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "26.8.3-r0",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "MINI-q6g5-5pw4-cx2m",
"aliases": [
"MINI-q6g5-5pw4-cx2m"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "26.8.3-r0"
}
]
}
],
"package": {
"name": "linkerd2-cli",
"purl": "pkg:apk/minimos/linkerd2-cli",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-q6g5-5pw4-cx2m.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "26.8.3-r0"
}
]
}
],
"package": {
"name": "linkerd2-controller",
"purl": "pkg:apk/minimos/linkerd2-controller",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-q6g5-5pw4-cx2m.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "26.8.3-r0"
}
]
}
],
"package": {
"name": "linkerd2-metrics-api",
"purl": "pkg:apk/minimos/linkerd2-metrics-api",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-q6g5-5pw4-cx2m.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "26.8.3-r0"
}
]
}
],
"package": {
"name": "linkerd2-tap",
"purl": "pkg:apk/minimos/linkerd2-tap",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-q6g5-5pw4-cx2m.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "26.8.3-r0"
}
]
}
],
"package": {
"name": "linkerd2-web",
"purl": "pkg:apk/minimos/linkerd2-web",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-q6g5-5pw4-cx2m.json"
}
}
],
"modified": "2026-10-09T17:24:28.175823563Z",
"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": 123356,
"published_at": "2026-10-08T20:47:47+00:00"
}