UnratedFix available
linkerd2-cli, linkerd2-controller and 4 more products — security advisory
This notice tracks CVE-2026-56866 for linkerd2-cli, linkerd2-controller and 4 more products. Fixed versions are listed in the package details.
- Products
- linkerd2-cli, linkerd2-controller, linkerd2-metrics-api, linkerd2-proxy-identity, linkerd2-tap, linkerd2-web
- Affected versions
- Not specified
- Fixed versions
- 26.10.1-r1
- CVEs
- CVE-2026-56866
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 01:01 UTC · Revision 1
Source evidence
MINI-p83x-c77x-6jc7
osv:MINI-p83x-c77x-6jc7
linkerd2-cli
Fixed versions: 26.10.1-r1
linkerd2-controller
Fixed versions: 26.10.1-r1
linkerd2-metrics-api
Fixed versions: 26.10.1-r1
linkerd2-proxy-identity
Fixed versions: 26.10.1-r1
linkerd2-tap
Fixed versions: 26.10.1-r1
linkerd2-web
Fixed versions: 26.10.1-r1
Complete source record
{
"id": "d96fe098b76db9fb80b4044fe18e7f57827c981d95996814374694bb19284897",
"url": "https://osv.dev/vulnerability/MINI-p83x-c77x-6jc7",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "MINI-p83x-c77x-6jc7",
"summary": "MINI-p83x-c77x-6jc7",
"evidence": "osv:MINI-p83x-c77x-6jc7",
"products": [
{
"name": {
"value": "linkerd2-cli",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "26.10.1-r1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linkerd2-controller",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "26.10.1-r1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linkerd2-metrics-api",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "26.10.1-r1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linkerd2-proxy-identity",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "26.10.1-r1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linkerd2-tap",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "26.10.1-r1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "linkerd2-web",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "26.10.1-r1",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "MINI-p83x-c77x-6jc7",
"aliases": [
"MINI-p83x-c77x-6jc7"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "26.10.1-r1"
}
]
}
],
"package": {
"name": "linkerd2-cli",
"purl": "pkg:apk/minimos/linkerd2-cli",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-p83x-c77x-6jc7.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "26.10.1-r1"
}
]
}
],
"package": {
"name": "linkerd2-controller",
"purl": "pkg:apk/minimos/linkerd2-controller",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-p83x-c77x-6jc7.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "26.10.1-r1"
}
]
}
],
"package": {
"name": "linkerd2-metrics-api",
"purl": "pkg:apk/minimos/linkerd2-metrics-api",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-p83x-c77x-6jc7.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "26.10.1-r1"
}
]
}
],
"package": {
"name": "linkerd2-proxy-identity",
"purl": "pkg:apk/minimos/linkerd2-proxy-identity",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-p83x-c77x-6jc7.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "26.10.1-r1"
}
]
}
],
"package": {
"name": "linkerd2-tap",
"purl": "pkg:apk/minimos/linkerd2-tap",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-p83x-c77x-6jc7.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "26.10.1-r1"
}
]
}
],
"package": {
"name": "linkerd2-web",
"purl": "pkg:apk/minimos/linkerd2-web",
"ecosystem": "MinimOS"
},
"database_specific": {
"source": "https://packages.mini.dev/advisories/osv/MINI-p83x-c77x-6jc7.json"
}
}
],
"modified": "2026-10-11T09:30:33.570570158Z",
"provider": "osv",
"upstream": [
"CVE-2026-56866",
"GHSA-f5vf-8pvc-394g",
"GO-2026-6605"
],
"references": []
},
"related_cves": [
{
"value": "CVE-2026-56866",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 283882,
"published_at": "2026-10-11T08:33:06+00:00"
}