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
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Open redirect (CVE-ID: CVE-2020-26275)
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.