CVE-2026-118758 Kubeflow: Unauthenticated path traversal to arbitrary file read on ml-pipeline-ui via the volume artifact source
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-118758?
CVE-2026-118758 is a high-severity vulnerability in kubeflow pipelines, published on 29 Oct 2026.
Official description
Kubeflow Pipelines enables users to build and deploy portable, scalable machine learning workflows. Prior to 2.18.0, the volume artifact handler for GET /artifacts/get?source=volume did not confine a caller-supplied file path to the selected volume. A caller who can reach the route and identify an existing mounted volume can use path traversal to read files outside that volume when the artifact-serving process can read them. The frontend pod serves the request when artifact proxying is disabled, while the selected namespace's artifact-service pod serves it when proxying is enabled. A deployment with authentication disabled requires no application credentials; in multi-user deployments, the caller ordinarily must be authorized for the supplied namespace. This issue is fixed in version 2.18.0.
Weakness: CWE-22
Which versions are affected by CVE-2026-118758?
How do I fix CVE-2026-118758?
No fix has been published for CVE-2026-118758 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-118758 being exploited?
There is no known exploitation of CVE-2026-118758 in the wild and no public exploit code.
Sources
Also known as GHSA-2fg9-fx2f-439r.