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EUVD-2026-49043

🗓️ 25 Jul 2026 10:45:56Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 7 Views

SiYuan before v3.7.2 allows unauthenticated access to /mcp via a weak auth check, exposing tools, config data, and enabling hostile plugin planting.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-66012
25 Jul 202610:45
attackerkb
Circl
CVE-2026-66012
25 Jul 202611:26
circl
CVE
CVE-2026-66012
25 Jul 202610:45
cve
Cvelist
CVE-2026-66012 SiYuan before v3.7.2 Unauthenticated Administrator Takeover via MCP
25 Jul 202610:45
cvelist
NVD
CVE-2026-66012
25 Jul 202611:17
nvd
Positive Technologies
PT-2026-64762
25 Jul 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "b644f4fe-01ec-309a-9854-b99275c0d0a9",
        "vendor": {
          "name": "siyuan-note"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "63cb24af-2b5f-3bbc-a4ea-a4512bd39a31",
        "product": {
          "name": "SiYuan",
          "vendor": {
            "name": "siyuan-note"
          }
        },
        "product_version": "0 <3.7.2"
      }
    ]
  }
]

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