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JupyterHub K8s Hub and KServe storage may expose data
published 1 month ago
Summary
The JupyterHub K8s Hub (version 4.3.5-r2) and KServe storage controller (version 0.19.0-r0) contain a flaw that could let unauthorized users view or extract stored information. This risk is fixed in newer releases of each component. Upgrade to the latest versions of JupyterHub K8s Hub and KServe storage controller as soon as possible to close the gap.
What to do
- Update cleanstart jupyterhub-k8s-hub to version 4.3.5-r2.
- Update cleanstart kserve-storage-controller to version 0.19.0-r0.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| CleanStart | cleanstart | jupyterhub-k8s-hub |
< 4.3.5-r2 Fix: upgrade to 4.3.5-r2
|
| CleanStart | cleanstart | kserve-storage-controller |
< 0.19.0-r0 Fix: upgrade to 0.19.0-r0
|
Original advisory text
Security fix for CVE-2026-54279 applied in: jupyterhub-k8s-hub 4.3.5-r2, kserve-storage-controller 0.19.0-r0
CVE-2026-54279 affects multiple packages. This issue is resolved in later releases. See references for individual vulnerability details.
Timeline
Published18 Sep 2026
Updated18 Sep 2026
First seen18 Sep 2026
Sources
CLEANSTART-2026-SV63364 · OSV
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