JupyterHub 5.5 and jupyterhub helm chart 4.4 are out, fixing a moderate-severity denial of service vulnerability, as well as backporting a number of bugfixes from the upcoming 6.0 branch.
- GHSA-p43p-whwx-q52h (CVE pending): Denial of service vulnerability in JupyterHub
The advisory will be published in 7 days, and the CVE updated when it has been issued.