{"id":"CVE-2024-22421","aliases":["GHSA-44cc-43rp-5947","BIT-jupyter-base-notebook-2024-22421","BIT-jupyter-notebook-2024-22421","BIT-jupyterlab-2024-22421","PYSEC-2026-1706","PYSEC-2026-2534"],"title":"JupyterLab vulnerable to potential authentication and CSRF tokens leak","summary":"JupyterLab vulnerable to potential authentication and CSRF tokens leak","severity":"high","cvss":7.6,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:L","vendor":"jupyterlab","product":"jupyterlab","ecosystem":"pip","affected":["jupyterlab >= 4.0.0, < 4.0.11","jupyterlab < 3.6.7","notebook >= 7.0.0, < 7.0.7"],"patched":["jupyterlab 4.0.11","jupyterlab 3.6.7","notebook 7.0.7"],"published":"2024-01-19","updated":"2026-09-10","sourceUpdated":"2026-09-10T03:50:04.786005565Z","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-44cc-43rp-5947","references":[{"url":"https://github.com/jupyterlab/jupyterlab/security/advisories/GHSA-44cc-43rp-5947"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-22421"},{"url":"https://github.com/jupyterlab/jupyterlab/commit/19bd9b96cb2e77170a67e43121637d0b5619e8c6"},{"url":"https://github.com/jupyterlab/jupyterlab/commit/1ef7a4fa0202ebdf663e1cc0b45c8813a34a0b96"},{"url":"https://github.com/jupyterlab/jupyterlab/commit/fccd83dc4441da0384ee3fd1322c3b2d9ad4caaa"},{"url":"https://github.com/jupyterlab/jupyterlab"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UQJKNRDRFMKGVRIYNNN6CKMNJDNYWO2H"}],"tags":["osv","pip"],"epss":0.0067,"epssPercentile":0.4989,"ingestedAt":"2026-07-08T18:25:45.247Z","slug":"CVE-2024-22421","body":"## Overview\n\n### 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\n\n## Affected packages\n\n- `jupyterlab >= 4.0.0, < 4.0.11`\n- `jupyterlab < 3.6.7`\n- `notebook >= 7.0.0, < 7.0.7`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `jupyterlab 4.0.11`\n- `jupyterlab 3.6.7`\n- `notebook 7.0.7`","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.8,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}