CVE-2025-23205 `frame-ancestors: self` grants all users access to formgrader in nbgrader

nbgrader is a system for assigning and grading notebooks. Enabling frame-ancestors: 'self' grants any JupyterHub user the ability to extract formgrader content by sending malicious links to users with access to formgrader, at least when using the default JupyterHub configuration of enablesubdomai...

CVE-2025-23205 `frame-ancestors: self` grants all users access to formgrader in nbgrader

nbgrader is a system for assigning and grading notebooks. Enabling frame-ancestors: 'self' grants any JupyterHub user the ability to extract formgrader content by sending malicious links to users with access to formgrader, at least when using the default JupyterHub configuration of enablesubdomai...

PT-2025-4845

Name of the Vulnerable Software and Affected Versions nbgrader versions prior to 0.9.5 Description The issue allows any JupyterHub user to extract formgrader content by sending malicious links to users with access to formgrader, at least when using the default JupyterHub configuration of enable...