CVE-2026-42266: JupyterHub has an Extension Manager API/GUI Policy Discrepancy, allowing 3rd party (malicious) extensions install via...
HIGH
CVSS 8.8
Exploit Available
Published: May 5, 2026 | Last Modified: May 5, 2026
Description
JupyterHub has an Extension Manager API/GUI Policy Discrepancy, allowing 3rd party (malicious) extensions install via POST request
Ghostwire Analysis — What This Means Practically
- High CVSS score indicates significant risk — exploitation could lead to substantial data exposure or system compromise.
- Exploit code is reported to be available, increasing the likelihood of active exploitation.
This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.
References