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EUVD-2026-93491

🗓️ 06 Oct 2026 16:08:21Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 5 Views

OAuth client in MCP TypeScript SDK could send credentials to an arbitrary auth server.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-104850
6 Oct 202618:47
–circl
cve
CVE
CVE-2026-104850
6 Oct 202616:08
–cve
cvelist
Cvelist
CVE-2026-104850 MCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP server
6 Oct 202616:08
–cvelist
github
Github Security Blog
MCP TypeScript SDK: OAuth client could send credentials to an authorization server chosen by the MCP server
6 Oct 202615:35
–github
nvd
NVD
CVE-2026-104850
6 Oct 202617:17
–nvd
osv
OSV
CGA-CG83-8885-HJWW
7 Oct 202612:02
–osv
osv
OSV
CGA-CV8X-3C5G-MW6C
7 Oct 202609:13
–osv
osv
OSV
CGA-MW29-49C5-9C4G
7 Oct 202612:27
–osv
osv
OSV
CGA-WHRX-3WXG-CGR5
7 Oct 202613:36
–osv
osv
OSV
ECHO-1D8F-3EAD-8A1A
7 Oct 202600:00
–osv
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "e34d5eea-ffb0-3631-b9d7-cf84bd124bbd",
        "vendor": {
          "name": "modelcontextprotocol"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "09e0305a-797b-3ded-b8a7-c2bd4257d262",
        "product": {
          "name": "typescript-sdk",
          "vendor": {
            "name": "modelcontextprotocol"
          }
        },
        "product_version": "2.0.0, < 2.2.0"
      },
      {
        "id": "281b500e-4cd3-33bd-b2ff-d30347198af9",
        "product": {
          "name": "typescript-sdk",
          "vendor": {
            "name": "modelcontextprotocol"
          }
        },
        "product_version": "1.12.0, < 1.31.0"
      }
    ]
  }
]

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06 Oct 2026 16:28Current
CVSS 3.17.5
EPSS0.00176
SSVC
5