Kubeflow Pipelines: Reflected XSS in the frontend pod information and events error responses

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-88986
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-05 22:18:54 UTC
Updated2026-11-10 20:19:44 UTC
DescriptionKubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.15.0, the frontend routes /pipeline/k8s/pod and /pipeline/k8s/pod/events use frontend/server/k8s-helper.ts to include untrusted podname and podnamespace query values and backend error details in HTML-capable error responses. An unauthenticated attacker can craft a link that executes JavaScript in the frontend origin when a user who satisfies the deployment's authentication and route-access requirements follows it and reaches an affected response. Cookie disclosure depends on cookie attributes, and server-side code execution or availability impact is not established. This issue is fixed in version 2.15.0.

Risk And Classification

Primary CVSS: v3.1 6.1 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.002760000 probability, percentile 0.202100000 (date 2026-11-10)

Problem Types: CWE-79 | CWE-79 CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
3.1CNADECLARED6.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Kubeflow Pipelines affected < 2.15.0 Not specified

References

ReferenceSourceLinkTags
github.com/kubeflow/pipelines/pull/12295 [email protected] github.com
github.com/kubeflow/pipelines/commit/fedc25e3f7251933d4a37b964bc3e8176be... [email protected] github.com
github.com/kubeflow/pipelines/releases/tag/2.15.0 [email protected] github.com
github.com/kubeflow/pipelines/security/advisories/GHSA-g3qx-frcg-j979 [email protected] github.com
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