CVE-2022-39286: Debian Linux

High severity, CVSS 8.8. EPSS: 1.2% chance of exploitation in the next 30 days.

Jupyter Core is a package for the core common functionality of Jupyter projects. Jupyter Core prior to version 4.11.2 contains an arbitrary code execution vulnerability in `jupyter_core` that stems from `jupyter_core` executing untrusted files in CWD. This vulnerability allows one user to run code as another. Version 4.11.2 contains a patch for this issue. There are no known workarounds.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Fedoraproject Fedora: version 36 only; version 37 only
• Jupyter Jupyter Core: before 4.11.2 (fixed in 4.11.2)

Published 2022-10-26. Last modified 2026-06-17.