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BREW-jupyterlab-CVE-2022-24757 — Insertion of Sensitive Information into Log File in Jupyter notebook

2026-10-12T22:39:58.120675+00:00

Affected: Homebrew: jupyterlab

### Impact _What kind of vulnerability is it?_

Anytime a 5xx error is triggered, the auth cookie and other header values are recorded in Jupyter Server logs by default. Considering these logs do not require root access, an attacker can monitor these logs, steal sensitive auth/cookie information, and gain access to the Jupyter server.

### Patches _Has the problem been patched? What versions should users upgrade to?_

Upgrade to Jupyter Server version 1.15.4

### For more information

If you have any questions or comments about this advisory, or vulnerabilities to report, please email our security list [security@ipython.org](mailto:security@ipython.org).

Credit: @3coins for reporting. Thank you!

CVE-2022-24757 — Sensitive Auth & Cookie data stored in Jupyter server logs

2026-10-12T22:39:58.120745+00:00

Affected: jupyter-server jupyter_server

The Jupyter Server provides the backend (i.e. the core services, APIs, and REST endpoints) for Jupyter web applications. Prior to version 1.15.4, unauthorized actors can access sensitive information from server logs. Anytime a 5xx error is triggered, the auth cookie and other header values are recorded in Jupyter Server logs by default. Considering these logs do not require root access, an attacker can monitor these logs, steal sensitive auth/cookie information, and gain access to the Jupyter server. Jupyter Server version 1.15.4 contains a patch for this issue. There are currently no known workarounds.

GHSA-p737-p57g-4cpr — Insertion of Sensitive Information into Log File in Jupyter notebook