CVE-2019-10856: Jupyter Notebook open redirect vulnerability

CVE-2019-10856 · Severity: low · CVSS 3 · Published 2019-04-04

In Jupyter Notebook before 5.7.8, an open redirect can occur via an empty netloc. This issue exists because of an incomplete fix for CVE-2019-10255.

Technologies: notebook (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2019-10856 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2019-10856 being exploited in the wild.
How severe is CVE-2019-10856?
Low severity, with a CVSS score of 3, published 4 April 2019.
Which products and versions are affected?
notebook (PyPI) ECOSYSTEM:introduced=0,fixed=5.7.8.
Is there a fix for CVE-2019-10856?
Yes. notebook (PyPI): upgrade to 5.7.8 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2019-10856?
Check whether you run notebook (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • notebook (PyPI): upgrade to 5.7.8 or later
    pip install "notebook>=5.7.8"

Affected products

  • notebook (PyPI) ECOSYSTEM:introduced=0,fixed=5.7.8

Identifiers

  • CVE-2019-10856
  • GHSA-rcx2-m7jp-p9wj
  • PYSEC-2019-158

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