CVE-2026-110220
Kubeflow Model Registry through 0.3.17 SSRF via InferenceService Controller URL Annotation
- State
- Published
- Severity
- 7.1 High
- Published
- Oct 13, 2026
- Updated
- Oct 26, 2026
- Reserved
- Oct 13, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.1 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N | VulnCheck |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
Model RegistryKubeflow |
|
References
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/kubeflow-hub-controller-token-url-forwardingthird-party-advisory
- https://github.com/kubeflow/hub/blob/v0.3.17/pkg/inferenceservice-controller/controller.go#L268-L292technical-description
- https://github.com/kubeflow/hub/blob/v0.3.17/pkg/openapi/client.go#L420-L423technical-description
- https://github.com/kubeflow/hub/blob/v0.3.17/cmd/controller/main.go#L224-L228technical-description
- https://github.com/kubeflow/hubproduct
- VulnCheck Advisory: Kubeflow Model Registry through 0.3.17 SSRF via InferenceService Controller URL Annotationthird-party-advisory
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