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VulnerabilityPublished

CVE-2026-88986: kubeflow pipelines · Cross-site Scripting

Affects kubeflow pipelinesSource CVE Database V5

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Not known to be exploited · CVSS 6.1 Medium : upgrade to 2.15.0 when convenient.

Data as of 5 Nov 2026, 22:21 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (GitHub_M)CVSS 3.16.1
Patch
Available – fixed in 2.15.0
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.

What to do

Upgrade kubeflow pipelines to 2.15.0.

Affected software

ProductAffectedFixed in
kubeflowpipelinesAffected
  • <2.15.0
Fixed in
  • 2.15.0

AI-suggested

Upgrade Kubeflow Pipelines to version 2.15.0 or later, where this XSS vulnerability is fixed. No other mitigation is required as the fix fully addresses the issue.

Description

CVE-2026-88986 is a cross-site scripting (XSS) vulnerability in Kubeflow Pipelines prior to version 2.15.0. It affects the frontend routes /pipeline/k8s/pod and /pipeline/k8s/pod/events, where untrusted query parameters are included in HTML-capable error responses. An unauthenticated attacker can craft a malicious link that executes JavaScript in the frontend origin when visited by an authenticated user with route access. The vulnerability allows limited impact such as cookie disclosure depending on cookie attributes, but does not establish server-side code execution or availability impact. The issue is fixed in version 2.15.0.

References

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