SB2020121636 - Open redirect in Jupyter Server

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Main Vulnerability Database SB2020121636

SB2020121636 - Open redirect in Jupyter Server

Published: December 16, 2020 Updated: May 5, 2026

Security Bulletin ID SB2020121636
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Open redirect (CVE-ID: CVE-2020-26275)

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to redirect users to an arbitrary website.

The vulnerability exists due to improper control of a resource through its lifetime in redirect handling in jupyter server when processing a maliciously crafted link. A remote attacker can send a specially crafted link to redirect users to an arbitrary website.

All jupyter servers running without a base_url prefix are affected.


Remediation

Install update from vendor's website.

References