{
  "published": "2026-01-07T13:09:30Z",
  "modified": "2026-01-14T17:59:44Z",
  "schema_version": "1.7.5",
  "id": "CGA-8ph3-q8hh-xphc",
  "severity": [
    {
      "type": "CVSS_V4",
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"
    }
  ],
  "upstream": [
    "CVE-2026-0621",
    "GHSA-8r9q-7v3j-jr4g"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/mcp-typescript-sdk-uritemplate-exploded-array-pattern-redos"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/modelcontextprotocol/typescript-sdk/issues/965"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0621.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0621"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/modelcontextprotocol/typescript-sdk"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Chainguard",
        "name": "opensearch-dashboards-2-fips",
        "purl": "pkg:apk/chainguard/opensearch-dashboards-2-fips?arch=x86_64"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.19.4-r5"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "components": [
          {
            "component_name": "@modelcontextprotocol/sdk",
            "component_version": "1.24.0",
            "component_type": "npm",
            "component_location": "/usr/share/opensearch-dashboards/node_modules/@modelcontextprotocol/sdk/package.json",
            "component_purl": "pkg:npm/%40modelcontextprotocol%2Fsdk@1.24.0",
            "latest_event_status": "fixed",
            "latest_event_timestamp": "2026-01-14T17:59:44Z"
          }
        ]
      }
    }
  ]
}