CVE-2025-14459CWE-639

Virt-cdi-controller: unauthorized pvc cloning via dataimportcron

High · published January 26, 2026

CVSS v3.1
8.5
EPSS
0%
Percentile
29.6
In the wild
Unconfirmed
What it is

⚡ A sneaky flaw in KubeVirt's CDI lets unauthorized users clone PersistentVolumeClaims from other namespaces — think of it as a pizza delivery person who accidentally delivers someone else's pizza to your door! 🍕 Imagine if your neighbor could access your mailbox and copy all your letters without anyone noticing. This vulnerability allows a user to clone data from unauthorized namespaces, just like a mailman who doesn’t check the address before delivering sensitive documents. An unauthorized user could access critical data they shouldn't see, leading to potential data leaks and privacy breaches. This means sensitive information could end up in the wrong hands, putting your systems at serious risk!

Put simply

Imagine if your neighbor could access your mailbox and copy all your letters without anyone noticing. This vulnerability allows a user to clone data from unauthorized namespaces, just like a mailman who doesn’t check the address before delivering sensitive documents. This vulnerability in KubeVirt's Containerized Data Importer (CDI) allows users to clone PersistentVolumeClaims (PVCs) across namespaces without proper authorization, utilizing the DataImportCron PVC source mechanism.

What to do

An unauthorized user could access critical data they shouldn't see, leading to potential data leaks and privacy breaches. This means sensitive information could end up in the wrong hands, putting your systems at serious risk! Update your KubeVirt deployment to the latest version that addresses this vulnerability. Review your namespace permissions carefully to ensure that only authorized users can access sensitive PVCs. Regular audits of user permissions will also help mitigate future risks. You've got this! Stay vigilant and keep your data secure with these steps. 🛡️

The record
Technical detail
CVSS v3.1
8.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00369 · 29.6th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-01-26T19:36Z
EPSS history
Timeline
  • 26 JAN 19:36Z
    Virt-cdi-controller: unauthorized pvc cloning via dataimportcron
    cvelistv5