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CVE-2025-30167
Good to know:

Date: June 3, 2025
Jupyter Core is a package for the core common functionality of Jupyter projects. When using Jupyter Core prior to version 5.8.0 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. Users should upgrade to Jupyter Core version 5.8.0 or later to receive a patch. Some other mitigations are available. As administrator, modify the permissions on the "%PROGRAMDATA%" directory so it is not writable by unauthorized users; or as administrator, create the "%PROGRAMDATA%\jupyter" directory with appropriately restrictive permissions; or as user or administrator, set the "%PROGRAMDATA%" environment variable to a directory with appropriately restrictive permissions (e.g. controlled by administrators or the current user).
Severity Score
Severity Score
Weakness Type (CWE)
Uncontrolled Search Path Element
CWE-427Top Fix

CVSS v3.1
Base Score: |
|
---|---|
Attack Vector (AV): | LOCAL |
Attack Complexity (AC): | LOW |
Privileges Required (PR): | LOW |
User Interaction (UI): | REQUIRED |
Scope (S): | UNCHANGED |
Confidentiality (C): | HIGH |
Integrity (I): | HIGH |
Availability (A): | HIGH |