BREW-JUPYTERLAB-CVE-2024-22421 (GHSA-44CC-43RP-5947)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:01 – Updated: 2026-09-16 09:20 – Source website
VLAI
Summary
JupyterLab vulnerable to potential authentication and CSRF tokens leak
Details

Impact

Users of JupyterLab who click on a malicious link may get their Authorization and XSRFToken tokens exposed to a third party when running an older jupyter-server version.

Patches

JupyterLab 4.1.0b2, 4.0.11, and 3.6.7 were patched.

Workarounds

No workaround has been identified, however users should ensure to upgrade jupyter-server to version 2.7.2 or newer which includes a redirect vulnerability fix.

References

Vulnerability reported by user @davwwwx via the bug bounty program sponsored by the European Commission and hosted on the Intigriti platform.

Severity
7.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "upstream_fixed_in": "4.0.11"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "jupyterlab",
        "purl": "pkg:brew/jupyterlab"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.6.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "PyPI",
        "key": "pkg:pypi/jupyterlab@4.6.3",
        "name": "jupyterlab",
        "strategy": "registry",
        "subject_version": "4.6.3"
      },
      {
        "ecosystem": "PyPI",
        "key": "pkg:pypi/notebook@7.6.2",
        "name": "notebook",
        "resource": "notebook",
        "strategy": "registry",
        "subject_version": "7.6.2"
      },
      {
        "ecosystem": "Debian",
        "key": "Debian/jupyterlab",
        "name": "jupyterlab",
        "strategy": "distro"
      },
      {
        "ecosystem": "PyPI",
        "key": "upstream:pkg:pypi/jupyterlab@4.6.3",
        "name": "jupyterlab",
        "strategy": "distro",
        "subject_version": "4.6.3"
      }
    ]
  },
  "details": "### Impact\nUsers of JupyterLab who click on a malicious link may get their `Authorization` and `XSRFToken` tokens exposed to a third party when running an older `jupyter-server` version.\n\n### Patches\nJupyterLab 4.1.0b2, 4.0.11, and 3.6.7 were patched.\n\n### Workarounds\nNo workaround has been identified, however users should ensure to upgrade `jupyter-server` to version 2.7.2 or newer which includes a redirect vulnerability fix.\n\n### References\n\nVulnerability reported by user @davwwwx via the [bug bounty program](https://app.intigriti.com/programs/jupyter/jupyter/detail) [sponsored by the European Commission](https://commission.europa.eu/news/european-commissions-open-source-programme-office-starts-bug-bounties-2022-01-19_en) and hosted on the [Intigriti platform](https://www.intigriti.com/).\n",
  "id": "BREW-jupyterlab-CVE-2024-22421",
  "modified": "2026-09-16T09:20:59Z",
  "published": "2026-08-13T17:01:18Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-44cc-43rp-5947"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-22421"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jupyterlab/jupyterlab/commit/19bd9b96cb2e77170a67e43121637d0b5619e8c6"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jupyterlab/jupyterlab/commit/1ef7a4fa0202ebdf663e1cc0b45c8813a34a0b96"
    },
    {
      "type": "WEB",
      "url": "https://github.com/jupyterlab/jupyterlab/commit/fccd83dc4441da0384ee3fd1322c3b2d9ad4caaa"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/jupyterlab/jupyterlab"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UQJKNRDRFMKGVRIYNNN6CKMNJDNYWO2H"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "JupyterLab vulnerable to potential authentication and CSRF tokens leak",
  "upstream": [
    "GHSA-44cc-43rp-5947",
    "BIT-jupyter-base-notebook-2024-22421",
    "BIT-jupyter-notebook-2024-22421",
    "BIT-jupyterlab-2024-22421",
    "CVE-2024-22421",
    "PYSEC-2026-1706",
    "PYSEC-2026-2534"
  ]
}



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