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CVE-2026-88985— Kubeflow Pipelines: SQL injection through unvalidated pagination tokens in Kubeflow Pipelines API server

Quick assessment

Affected
kubeflow pipelines
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Kubeflow Pipelines 允许用户构建和部署可移植、可扩展的机器学习工作流。在 2.17.0 版本之前，API 服务器在构建列表查询之前，会信任从 base64 编码的 JSON page_token 参数中解码出的结构化 SQL 标识符字段。能够调用受影响的工作流或运行列表 API 的攻击者，可通过 KeyFieldName 或 SortByFieldName 字段（包括 v1beta1 和 v2beta1 运行列表指标路径）进行注入，从而读取 API 服务器数据库账户在不同命名空间中可访问的数据。目

CVSS 6.5 · Medium
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I. Basic Information for CVE-2026-88985

Vulnerability Information
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Vulnerability Title
Kubeflow Pipelines: SQL injection through unvalidated pagination tokens in Kubeflow Pipelines API server
Source: CVE Program / CVE List V5
Vulnerability Description
Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.17.0, the API server trusts structural SQL identifier fields decoded from the base64-encoded JSON page_token parameter before constructing list queries. An attacker who can invoke an affected pipeline or run list API can inject through KeyFieldName or SortByFieldName, including v1beta1 and v2beta1 run-listing metric paths, and read data available to the API server database account across namespaces. Database modification is not established. This issue is fixed in version 2.17.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
kubeflow pipelines < 2.17.0 -

II. Public POCs for CVE-2026-88985

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III. Intelligence Information for CVE-2026-88985

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Vendor Pages for CVE-2026-88985 (1)

Other References for CVE-2026-88985 (3)

Same Patch Batch · kubeflow · 2026-11-05 · 9 CVEs total

CVE-2026-77596 9.6 CRITICAL Kubeflow Pipelines API server lacks authorization for shared pipeline uploads
CVE-2026-88981 8.6 HIGH Kubeflow Pipelines: Unauthenticated SSRF through artifact provider endpoints
CVE-2026-88980 8.6 HIGH Kubeflow Pipelines: Unauthenticated server-side request forgery in the frontend http/https
CVE-2026-88984 7.2 HIGH Kubeflow Pipelines: RBAC bypass on shared pipelines allows any authenticated user to delet
CVE-2026-88986 6.1 MEDIUM Kubeflow Pipelines: Reflected XSS in the frontend pod information and events error respons
CVE-2026-88979 5.8 MEDIUM Kubeflow Pipelines: Unauthenticated SSRF vulnerability in Kubeflow Pipelines TensorBoard p
CVE-2026-88982 5.4 MEDIUM Kubeflow Pipelines: Cross-tenant execution-cache poisoning / output substitution via a nam
CVE-2026-88983 5.0 MEDIUM Kubeflow Pipelines — API server fetches a caller-supplied pipelineURL without host validat

IV. Related Vulnerabilities

Same product: pipelines
Same vendor: kubeflow
Same weakness: CWE-89