{
  "cveId": "CVE-2023-39968",
  "url": "https://patchblox.com/security/cve/CVE-2023-39968",
  "summary": "CVE-2023-39968 is fixed in jupyter-server on 1 platform, first by DEBIAN-CVE-2023-39968, released August 28, 2023. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "jupyter-server: jupyter-server is the backend for Jupyter web applications",
  "description": "jupyter-server is the backend for Jupyter web applications. Open Redirect Vulnerability. Maliciously crafted login links to known Jupyter Servers can cause successful login or an already logged-in session to be redirected to arbitrary sites, which should be restricted to Jupyter Server-served URLs. This issue has been addressed in commit \u006029036259\u0060 which is included in release 2.7.2. Users are advised to upgrade. There are no known workarounds for this vulnerability.",
  "published": "2023-08-28T21:15:07Z",
  "severity": "medium",
  "cvss": 6.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
  "epss": 0.00681,
  "epssPercentile": 0.52676,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "jupyter-server",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2.14.2-1",
      "fix": "DEBIAN-CVE-2023-39968",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-39968",
      "released": "2023-08-28T21:15:07Z"
    },
    {
      "platform": "linux",
      "product": "jupyter-server",
      "release": "Debian 14",
      "fixedVersion": "2.14.2-1",
      "fix": "DEBIAN-CVE-2023-39968",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-39968",
      "released": "2023-08-28T21:15:07Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T07:25:28Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}