Vulnerability · Published Oct 13, 2026 · Assigned by VulnCheck
CVE-2026-110220Kubeflow Model Registry through 0.3.17 SSRF via InferenceService Controller URL Annotation
High 7.1
In plain English
A high-severity server-side request forgery in Model Registry from Kubeflow. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Official description
Kubeflow Model Registry through 0.3.17 contains a server-side request forgery vulnerability that allows namespace users to steal the controller ServiceAccount token via the modelregistry.kubeflow.org/url annotation. Attackers can create an InferenceService pointing the annotation at their server, capture the bearer token, and modify other tenants' InferenceServices cluster-wide.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Kubeflow | Model Registry | 0 – through 0.3.17 |
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
References
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/kubeflow-hub-controller-token-url-forwarding third-party-advisory
- https://github.com/kubeflow/hub/blob/v0.3.17/pkg/inferenceservice-controller/controller.go#L268-L292 technical-description
- https://github.com/kubeflow/hub/blob/v0.3.17/pkg/openapi/client.go#L420-L423 technical-description
- https://github.com/kubeflow/hub/blob/v0.3.17/cmd/controller/main.go#L224-L228 technical-description
- https://github.com/kubeflow/hub product
- VulnCheck Advisory: Kubeflow Model Registry through 0.3.17 SSRF via InferenceService Controller URL Annotation third-party-advisory