EUVD-2026-54678

[
  {
    "enisaIdVendor": [
      {
        "id": "ae4008e9-66d6-3ed1-8d8d-fd5578f9e3a5",
        "vendor": {
          "name": "jupyterhub"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "e7866e06-f35b-3be0-94a0-dd235e5a8a12",
        "product": {
          "name": "jupyterhub",
          "vendor": {
            "name": "jupyterhub"
          }
        },
        "product_version": "< 5.5.0JupyterHub is software that allows users to create a multi-user server for Jupyter notebooks. Prior to 5.5.0, invalid input to form-based login authenticators can place an unbounded attacker-controlled username in failed-login logs, allowing an unauthenticated attacker to consume logging and storage resources. This issue is fixed in version 5.5.0."
      }
    ]
  }
]