PYSEC-2026-647 Open Redirect vulnerability in jupyterhub and notebook

An Open Redirect vulnerability for all browsers in Jupyter Notebook before 5.7.8 and some browsers Chrome, Firefox in JupyterHub before 0.9.6 allows crafted links to the login page, which will redirect to a malicious site after successful login. Servers running on a baseurl prefix are not affecte...

BIT-JUPYTERHUB-2026-40864 JupyterHub: Cross-origin form POSTs bypass XSRF

JupyterHub is software that allows users to create a multi-user server for Jupyter notebooks. In versions 4.1.0 through 5.4.4, XSRF protection updated in 4.1.0 inappropriately treated requests with Sec-Fetch-Mode: no-cors as same-origin requests, bypassing XSRF checks. The JSON API is not affecte...

CVE-2023-25574 JupyterHub's LTI13Authenticator: JWT signature not validated

jupyterhub-ltiauthenticator is a JupyterHub authenticator for learning tools interoperability LTI. LTI13Authenticator that was introduced in jupyterhub-ltiauthenticator 1.3.0 wasn't validating JWT signatures. This is believed to allow the LTI13Authenticator to authorize a forged request. Only use...

Jupyter Server Proxy Security Vulnerability

Jupyter Server Proxy is an open source library from JupyterHub that allows arbitrary external processes to be run alongside a laptop server. A security vulnerability exists in Jupyter Server Proxy prior to 3.2.4, versions prior to 4.2.0, which stems from a vulnerability that allows users to run...

PT-2021-4499 · Binderhub · Binderhub

Name of the Vulnerable Software and Affected Versions: BinderHub versions prior to 0.2.0-n653 Description: A remote code execution vulnerability has been identified in BinderHub, where providing BinderHub with maliciously crafted input could execute code in the BinderHub context, with the potenti...

UBUNTU-CVE-2019-10255

An Open Redirect vulnerability for all browsers in Jupyter Notebook before 5.7.7 and some browsers Chrome, Firefox in JupyterHub before 0.9.5 allows crafted links to the login page, which will redirect to a malicious site after successful login. Servers running on a baseurl prefix are not affecte...

PT-2019-11663

Name of the Vulnerable Software and Affected Versions: Jupyter Notebook versions prior to 5.7.7 JupyterHub versions prior to 0.9.5 Description: The issue allows crafted links to the login page to redirect to a malicious site after successful login. This affects all browsers in Jupyter Notebook an...