CVE-2026-54338 | JupyterHub up to 5.4.x Form-based Login Authenticator resource consumption

A vulnerability classified as problematic has been found in JupyterHub up to 5.4.x. Affected by this issue is some unknown functionality of the component Form-based Login Authenticator. The manipulation leads to resource consumption.

This vulnerability is listed as CVE-2026-54338. The attack may be initiated remotely. There is no available exploit.

It is recommended to upgrade the affected component.VulDB Recent EntriesRead More