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BIT-jupyterlab-2024-22421 — Potential authentication and CSRF tokens leak in JupyterLab

Affected: Bitnami: jupyterlab

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook and Architecture. 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. JupyterLab versions 4.1.0, 4.0.11, and 3.6.7 are patched. 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.

BREW-jupyterlab-CVE-2024-22421 — JupyterLab vulnerable to potential authentication and CSRF tokens leak

Affected: Homebrew: jupyterlab

### 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](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/).

EUVD-2026-244929

fkie_cve-2024-22421

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook and Architecture. 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. JupyterLab versions 4.1.0b2, 4.0.11, and 3.6.7 are patched. 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.

GHSA-44cc-43rp-5947 — JupyterLab vulnerable to potential authentication and CSRF tokens leak

Affected: PyPI: jupyterlab, PyPI: notebook

### 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

gsd-2024-22421

openSUSE-SU-2024:13605-1 — jupyter-jupyterlab-4.0.11-1.1 on GA media

jupyter-jupyterlab-4.0.11-1.1 on GA media

PYSEC-2026-1706 — JupyterLab vulnerable to potential authentication and CSRF tokens leak

Affected: PyPI: notebook

### 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

Withdrawn: UBUNTU-CVE-2024-22421

Withdrawn by the publisher.

Affected: Ubuntu:Pro:18.04:LTS: jupyter-notebook, Ubuntu:20.04:LTS: jupyter-notebook, Ubuntu:22.04:LTS: jupyter-notebook, Ubuntu:24.10: jupyter-notebook, Ubuntu:24.04:LTS: jupyter-notebook

JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook and Architecture. 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. JupyterLab versions 4.1.0b2, 4.0.11, and 3.6.7 are patched. 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.