Security advisory

{
  "id": "d2ec619e2e582c2b4102130bc7639827847728f07b0ff47ecd039163ff7293e0",
  "url": "https://osv.dev/vulnerability/CVE-2019-10255",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-10255",
    "summary": "An Open Redirect vulnerability for all browsers in Jupyter Notebook before 5.7.7 and some browsers (Chrome, Firefox) in JupyterHub before 0.9.5 allows crafted links to the login page, which will redirect to a malicious site after successful login. Servers running on a base_url prefix are not affected.",
    "evidence": "osv:CVE-2019-10255",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2019-10255",
      "aliases": [
        "CVE-2019-10255",
        "GHSA-rv62-4pmj-xw6h",
        "PYSEC-2026-2683",
        "PYSEC-2026-647"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/jupyter/notebook",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "16cf97cf3cc7bd3bacf939ecd86f2c1cc6944935"
                },
                {
                  "fixed": "08c4c898182edbe97aadef1815cce50448f975cb"
                },
                {
                  "fixed": "70fe9f0ddb3023162ece21fbb77d5564306b913b"
                },
                {
                  "fixed": "d65328d4841892b412aef9015165db1eb029a8ed"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jupyter:notebook:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "5.7.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "08c4c898182edbe97aadef1815cce50448f975cb"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "70fe9f0ddb3023162ece21fbb77d5564306b913b"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "d65328d4841892b412aef9015165db1eb029a8ed"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.7.6",
            "5.7.5",
            "5.7.4",
            "5.7.3",
            "5.7.2",
            "5.7.1",
            "5.7.0",
            "5.6.0",
            "5.6.0rc1",
            "5.5.0",
            "5.5.0rc1",
            "5.4.0",
            "5.3.1",
            "5.3.0",
            "5.3.0rc1",
            "5.2.0",
            "5.2.0rc1",
            "5.1.0",
            "5.1.0rc3",
            "5.1.0rc1",
            "5.0.0",
            "5.0.0rc2",
            "5.0.0-rc.1",
            "5.0.0b2",
            "5.0.0b1",
            "4.1.0",
            "4.0.1",
            "4.0.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-10255.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/jupyterhub/jupyterhub",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6a4900c46813079e5792fc5b38d1ca8ba681e318"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:jupyter:jupyterhub:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.9.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.9.4",
            "0.9.3",
            "0.9.2",
            "0.9.1",
            "0.9.0",
            "0.9.0rc1",
            "0.9.0b3",
            "0.9.0b2",
            "0.9.0b1",
            "0.8.1",
            "0.8.0",
            "0.8.0rc2",
            "0.8.0rc1",
            "0.8.0b5",
            "0.8.0b4",
            "0.8.0b3",
            "0.8.0b2",
            "0.8.0b1",
            "0.7.2",
            "0.7.1",
            "0.7.0",
            "0.6.1",
            "0.6.0",
            "0.5.0",
            "0.4.1",
            "0.4.0",
            "0.3.0",
            "0.2.0",
            "0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-10255.json"
          }
        }
      ],
      "modified": "2026-10-24T10:49:45.661504088Z",
      "provider": "osv",
      "references": [
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UP5RLEES2JBBNSNLBR65XM6PCD4EMF7D/",
        "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMDPJBVXOVO6LYGAT46VZNHH6JKSCURO/",
        "https://blog.jupyter.org/open-redirect-vulnerability-in-jupyter-jupyterhub-adf43583f1e4",
        "https://github.com/jupyter/notebook/commit/08c4c898182edbe97aadef1815cce50448f975cb",
        "https://github.com/jupyter/notebook/commit/70fe9f0ddb3023162ece21fbb77d5564306b913b",
        "https://github.com/jupyter/notebook/commit/d65328d4841892b412aef9015165db1eb029a8ed",
        "https://github.com/jupyter/notebook/compare/05aa4b2...16cf97c"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:jupyter:notebook:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "jupyter:notebook",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "5.7.7"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2019-10255",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 441816,
  "published_at": "2019-03-28T16:29:00.567+00:00"
}