UnratedFix available
@modelcontextprotocol/sdk, @modelcontextprotocol/server — security advisory
This notice tracks CVE-2026-111771 for @modelcontextprotocol/sdk, @modelcontextprotocol/server. Fixed versions are listed in the package details.
- Products
- @modelcontextprotocol/sdk, @modelcontextprotocol/server
- Affected versions
- Not specified
- Fixed versions
- 1.32.0
- CVEs
- CVE-2026-111771
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 03:22 UTC · Revision 1
Source evidence
ECHO-9078-c674-c0ef
osv:ECHO-9078-c674-c0ef
@modelcontextprotocol/sdk
Fixed versions: 1.32.0
@modelcontextprotocol/server
Fixed versions: 1.32.0
Complete source record
{
"id": "876e2b0823f701c30a2a4795b318a34d7045410e9fc3117317a9778be2839d8e",
"url": "https://osv.dev/vulnerability/ECHO-9078-c674-c0ef",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ECHO-9078-c674-c0ef",
"summary": "ECHO-9078-c674-c0ef",
"evidence": "osv:ECHO-9078-c674-c0ef",
"products": [
{
"name": {
"value": "@modelcontextprotocol/sdk",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.32.0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "@modelcontextprotocol/server",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.32.0",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "ECHO-9078-c674-c0ef",
"aliases": [
"ECHO-9078-c674-c0ef"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.32.0"
}
]
}
],
"package": {
"name": "@modelcontextprotocol/sdk",
"purl": "pkg:npm/%40modelcontextprotocol/sdk",
"ecosystem": "Echo:npm"
},
"database_specific": {
"source": "https://advisory.echohq.com/osv/ECHO-9078-c674-c0ef.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.32.0"
}
]
}
],
"package": {
"name": "@modelcontextprotocol/server",
"purl": "pkg:npm/%40modelcontextprotocol/server",
"ecosystem": "Echo:npm"
},
"database_specific": {
"source": "https://advisory.echohq.com/osv/ECHO-9078-c674-c0ef.json"
}
}
],
"modified": "2026-10-24T00:45:12.454771869Z",
"provider": "osv",
"upstream": [
"CVE-2026-111771",
"GHSA-rvq5-wwqv-78pq"
],
"references": [
"https://advisory.echohq.com/cve/CVE-2026-111771"
]
},
"related_cves": [
{
"value": "CVE-2026-111771",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 427209,
"published_at": "2026-10-23T00:00:40.479+00:00"
}