CVE-2026-110220

EUVD-2026-99261
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.
SSRF
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.1 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 21.68%
Common Weakness Enumeration
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