Kubeflow Pipelines API server lacks authorization for shared pipeline uploads
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| kubeflow | pipelines | affected |
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| Kubeflow | Pipelines |
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| Source | ID | Title |
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Github GHSA |
GHSA-rjr3-43j3-4q8g | Kubeflow Pipelines API server lacks authorization for shared pipeline uploads |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.250% probability within 30 days)
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| Metrics |
ssvc
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| First Time appeared |
Kubeflow
Kubeflow pipelines |
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| Vendors & Products |
Kubeflow
Kubeflow pipelines |
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| Description | Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.18.0, the multi-user HTTP endpoints POST /apis/v2beta1/pipelines/upload and POST /apis/v2beta1/pipelines/upload_version call canUploadVersionedPipeline, which returns without SubjectAccessReview when the target namespace is empty while REQUIRE_NAMESPACE_FOR_PIPELINES defaults to false. A low-privilege tenant can create shared pipelines or inject attacker-controlled versions into existing shared pipelines without the required write permission; if the API server is directly reachable without an authenticating proxy, an unauthenticated caller can exploit the same bypass, while deployments protected by such a proxy do not expose anonymous access. An enabled unpinned recurring run that follows the latest version can then execute the injected specification in another tenant's namespace under that workload's service account, while pinned or embedded-specification runs are not automatically substituted. This issue is fixed in version 2.18.0. | |
| Title | Kubeflow Pipelines API server lacks authorization for shared pipeline uploads | |
| Weaknesses | CWE-639 CWE-862 |
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| References |
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| Metrics |
cvssV3_1
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