CVE-2025-30167: Jupyter Core on Windows Has Uncontrolled Search Path Element Local Privilege Escalation Vulnerability

June 4, 2025

On Windows, the shared %PROGRAMDATA% directory is searched for configuration files (SYSTEM_CONFIG_PATH and SYSTEM_JUPYTER_PATH), which may allow users to create configuration files affecting other users.

Only shared Windows systems with multiple users and unprotected %PROGRAMDATA% are affected.

References

github.com/advisories/GHSA-33p9-3p43-82vq
github.com/jupyter/jupyter_core
github.com/jupyter/jupyter_core/security/advisories/GHSA-33p9-3p43-82vq
nvd.nist.gov/vuln/detail/CVE-2025-30167

Code Behaviors & Features

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