CVE-2020-26215

Open redirect in Jupyter Notebook

Description

Jupyter Notebook before version 6.1.5 has an Open redirect vulnerability. A maliciously crafted link to a notebook server could redirect the browser to a different website. All notebook servers are technically affected, however, these maliciously crafted links can only be reasonably made for known notebook server hosts. A link to your notebook server may appear safe, but ultimately redirect to a spoofed server on the public internet. The issue is patched in version 6.1.5.

Category

4.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.18%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory debian.org
Affected: jupyter notebook
Published at:
Updated at:

References

Link Tags
https://github.com/jupyter/notebook/security/advisories/GHSA-c7vm-f5p4-8fqh third party advisory
https://github.com/jupyter/notebook/commit/3cec4bbe21756de9f0c4bccf18cf61d840314d74 third party advisory patch
https://lists.debian.org/debian-lts-announce/2020/12/msg00004.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-26215?
CVE-2020-26215 has been scored as a medium severity vulnerability.
How to fix CVE-2020-26215?
To fix CVE-2020-26215, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-26215 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-26215 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-26215?
CVE-2020-26215 affects jupyter notebook.
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