Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.18.0, the frontend GET /artifacts/get route accepts source=http or source=https with caller-controlled bucket and key values, and isAllowedResourceName permits an all-digit decimal host that the URL parser converts to an IPv4 address. The default ALLOWED_ARTIFACT_DOMAIN_REGEX and authorization-disabled standalone configuration allow an unauthenticated caller to fetch internal HTTP resources and receive their response body. In the authenticated multi-user configuration, the same destination-validation defect is reachable by a low-privilege tenant with a valid identity and authorized namespace. Cloud credential disclosure depends on reachable metadata services and attached roles, and the issue does not establish IMDSv2 bypass or credential access when metadata is blocked. This issue is fixed in version 2.18.0.
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Fixes
Solution
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Workaround
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References
History
Fri, 06 Nov 2026 00:00:00 +0000
| Type | Values Removed | Values Added |
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| First Time appeared |
Kubeflow
Kubeflow pipelines |
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| Vendors & Products |
Kubeflow
Kubeflow pipelines |
Thu, 05 Nov 2026 22:30:00 +0000
| Type | Values Removed | Values Added |
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| Description | Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.18.0, the frontend GET /artifacts/get route accepts source=http or source=https with caller-controlled bucket and key values, and isAllowedResourceName permits an all-digit decimal host that the URL parser converts to an IPv4 address. The default ALLOWED_ARTIFACT_DOMAIN_REGEX and authorization-disabled standalone configuration allow an unauthenticated caller to fetch internal HTTP resources and receive their response body. In the authenticated multi-user configuration, the same destination-validation defect is reachable by a low-privilege tenant with a valid identity and authorized namespace. Cloud credential disclosure depends on reachable metadata services and attached roles, and the issue does not establish IMDSv2 bypass or credential access when metadata is blocked. This issue is fixed in version 2.18.0. | |
| Title | Kubeflow Pipelines: Unauthenticated server-side request forgery in the frontend http/https artifact source via decimal-IP bypass of the bucket validator | |
| Weaknesses | CWE-918 | |
| References |
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| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-11-05T22:18:05.010Z
Reserved: 2026-09-10T16:02:31.342Z
Link: CVE-2026-88980
No data.
Status : Received
Published: 2026-11-05T23:17:01.277
Modified: 2026-11-05T23:17:01.277
Link: CVE-2026-88980
No data.
OpenCVE Enrichment
Updated: 2026-11-05T23:45:07Z
Weaknesses