{"id":"CVE-2026-88981","aliases":["EUVD-2026-117829","GHSA-3pcj-8j5w-jmxq"],"status":"published","title":"Kubeflow Pipelines: Unauthenticated SSRF through artifact provider endpoints","description":"Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.18.0, the frontend artifact download path for source=s3 or source=minio accepts providerInfo.Params.endpoint, and the archived pod-log path accepts S3-compatible endpoint metadata from workflow status, without requiring those endpoints to match operator-controlled storage configuration. In the shipped authorization-disabled standalone configuration, an unauthenticated caller can make the shared ml-pipeline-ui pod connect to arbitrary reachable hosts and return response data; requests may also reveal an access-key identifier when signed with configured object-store credentials. Multi-user secret-backed metadata remains restricted to the server namespace. This issue is fixed in version 2.18.0.","severity":{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00277,"percentile":0.20343,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-11-05T22:21:30Z","modified":"2026-11-06T10:45:33Z","products":[{"vendor":"kubeflow","product":"pipelines"},{"vendor":"red hat","product":"pipelines"}],"references":[{"url":"https://github.com/kubeflow/pipelines/security/advisories/GHSA-3pcj-8j5w-jmxq","tags":["x_refsource_CONFIRM","advisory"]},{"url":"https://github.com/kubeflow/pipelines/pull/14349","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/kubeflow/pipelines/commit/0b77f9b07bfb9860dc90106003bbc3e2fe0e0965","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/kubeflow/pipelines/releases/tag/2.18.0","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/88xxx/CVE-2026-88981.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-88981","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-88981","title":"Kubeflow Pipelines: Unauthenticated SSRF through artifact provider endpoints","description":"Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.18.0, the frontend artifact download path for source=s3 or source=minio accepts providerInfo.Params.endpoint, and the archived pod-log path accepts S3-compatible endpoint metadata from workflow status, without requiring those endpoints to match operator-controlled storage configuration. In the shipped authorization-disabled standalone configuration, an unauthenticated caller can make the shared ml-pipeline-ui pod connect to arbitrary reachable hosts and return response data; requests may also reveal an access-key identifier when signed with configured object-store credentials. Multi-user secret-backed metadata remains restricted to the server namespace. This issue is fixed in version 2.18.0.","status":"published","published":"2026-11-05T22:21:30.033Z","modified":"2026-11-06T17:41:11.589Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-06T18:59:09.209977Z"}],"euvd":[{"id":"EUVD-2026-117829","description":"Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.18.0, the frontend artifact download path for source=s3 or source=minio accepts providerInfo.Params.endpoint, and the archived pod-log path accepts S3-compatible endpoint metadata from workflow status, without requiring those endpoints to match operator-controlled storage configuration. In the shipped authorization-disabled standalone configuration, an unauthenticated caller can make the shared ml-pipeline-ui pod connect to arbitrary reachable hosts and return response data; requests may also reveal an access-key identifier when signed with configured object-store credentials. Multi-user secret-backed metadata remains restricted to the server namespace. This issue is fixed in version 2.18.0.","status":"published","published":"2026-11-05T22:21:30Z","modified":"2026-11-06T17:41:11Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-06T19:05:53.354277Z"}],"nvd":[{"id":"CVE-2026-88981","description":"Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.18.0, the frontend artifact download path for source=s3 or source=minio accepts providerInfo.Params.endpoint, and the archived pod-log path accepts S3-compatible endpoint metadata from workflow status, without requiring those endpoints to match operator-controlled storage configuration. In the shipped authorization-disabled standalone configuration, an unauthenticated caller can make the shared ml-pipeline-ui pod connect to arbitrary reachable hosts and return response data; requests may also reveal an access-key identifier when signed with configured object-store credentials. Multi-user secret-backed metadata remains restricted to the server namespace. This issue is fixed in version 2.18.0.","status":"published","published":"2026-11-05T23:17:01.433Z","modified":"2026-11-06T21:40:43.45Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-07T00:02:36.552517Z"}],"osv":[{"id":"CVE-2026-88981","title":"Kubeflow Pipelines: Unauthenticated SSRF through artifact provider endpoints","description":"Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.18.0, the frontend artifact download path for source=s3 or source=minio accepts providerInfo.Params.endpoint, and the archived pod-log path accepts S3-compatible endpoint metadata from workflow status, without requiring those endpoints to match operator-controlled storage configuration. In the shipped authorization-disabled standalone configuration, an unauthenticated caller can make the shared ml-pipeline-ui pod connect to arbitrary reachable hosts and return response data; requests may also reveal an access-key identifier when signed with configured object-store credentials. Multi-user secret-backed metadata remains restricted to the server namespace. This issue is fixed in version 2.18.0.","status":"published","published":"2026-11-05T22:21:30.033Z","modified":"2026-11-08T02:30:30.507330639Z","cvss":[{"version":"3.1","score":8.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-918"],"updated_at":"2026-11-07T03:08:11.522761Z"}]}}