What’s Vulnerable › Vulnerabilities

CVE-2026-110220: Kubeflow Model Registry through 0.3.17 SSRF via InferenceService Controller URL Annotation

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-13 · updated 2026-10-26
• Weakness: CWE-918

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

• Kubeflow Model Registry: through 0.3.17

References

• https://github.com/kubeflow/hub
• https://github.com/kubeflow/hub/blob/v0.3.17/cmd/controller/main.go#L224-L228
• https://github.com/kubeflow/hub/blob/v0.3.17/pkg/inferenceservice-controller/controller.go#L268-L292
• https://github.com/kubeflow/hub/blob/v0.3.17/pkg/openapi/client.go#L420-L423
• https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/kubeflow-hub-controller-token-url-forwarding
• https://www.vulncheck.com/advisories/kubeflow-model-registry-through-0.3.17-ssrf-via-inferenceservice-controller-url-annotation
• https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/kubeflow-hub-controller-token-url-forwarding

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