{"id":"CVE-2026-88983","title":"Kubeflow Pipelines — API server fetches a caller-supplied pipelineURL without host validation","summary":"Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.17.0, the API server's pipeline and pipeline-version creation paths fetch a caller-supplied pipelineURL without restricting th…","severity":"medium","cvss":5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N","cvssSource":"cna","cwe":["CWE-441","CWE-918"],"vendor":"kubeflow","product":"pipelines","affected":["pipelines < 2.17.0"],"published":"2026-11-05","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:58:53.008Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-88983","references":[{"url":"https://github.com/kubeflow/pipelines/security/advisories/GHSA-f7vj-6669-qvv4","label":"https://github.com/kubeflow/pipelines/security/advisories/GHSA-f7vj-6669-qvv4"},{"url":"https://github.com/kubeflow/pipelines/pull/12750","label":"https://github.com/kubeflow/pipelines/pull/12750"},{"url":"https://github.com/kubeflow/pipelines/commit/504d7797c1e061327ddb2bcb8bc1c5dd4940cfc3","label":"https://github.com/kubeflow/pipelines/commit/504d7797c1e061327ddb2bcb8bc1c5dd4940cfc3"},{"url":"https://github.com/kubeflow/pipelines/releases/tag/2.17.0","label":"https://github.com/kubeflow/pipelines/releases/tag/2.17.0"}],"tags":["cve.org"],"ingestedAt":"2026-11-05T23:41:31.957Z","slug":"CVE-2026-88983","body":"## Overview\n\nKubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.17.0, the API server's pipeline and pipeline-version creation paths fetch a caller-supplied pipelineURL without restricting the destination. An authenticated caller with permission to create a pipeline or pipeline version can make requests from the API server to internal services and observe a limited status-code oracle. Arbitrary response-body disclosure, credential theft, and integrity or availability impact are not established. This issue is fixed in version 2.17.0.\n\n## Affected\n\n- `pipelines < 2.17.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":28,"depthScoreParts":{"impact":27.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}