---
id: CVE-2026-122224
title: >-
  WebVirtCloud through commit bb920b0 Missing Authorization in REST API Migrate
  and Create Endpoints
summary: >-
  WebVirtCloud through commit bb920b0 contains a missing authorization
  vulnerability that allows low-privileged authenticated users to reach
  MigrateViewSet and CreateInstanceViewSet because no permission_classes are
  declared, so Django RES…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-862
vendor: retspen
product: webvirtcloud
affected:
  - webvirtcloud bb920b0a7ffdf00c09e994dc2e45f05bc9ec1bb3
published: '2026-11-04'
updated: '2026-11-04'
sourceUpdated: '2026-11-04T20:36:57.877Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-122224'
references:
  - url: 'https://github.com/retspen/webvirtcloud/issues/689'
  - url: >-
      https://github.com/catborise/webvirtcloud/commit/1227674d8f5a5230e5c654267773aca4ebc5c717
  - url: >-
      https://github.com/retspen/webvirtcloud/blob/bb920b0a7ffdf00c09e994dc2e45f05bc9ec1bb3/instances/api/viewsets.py#L125-L162
  - url: >-
      https://github.com/retspen/webvirtcloud/blob/bb920b0a7ffdf00c09e994dc2e45f05bc9ec1bb3/instances/api/viewsets.py#L174-L183
  - url: >-
      https://hackmd.io/@hieuPenguinnn/webvirtcloud-api-missing-authz-migrate-create
  - url: 'https://github.com/retspen/webvirtcloud'
  - url: >-
      https://www.vulncheck.com/advisories/webvirtcloud-through-commit-bb920b0-missing-authorization-in-rest-api-migrate-and-create-endpoints
    label: >-
      VulnCheck Advisory: WebVirtCloud through commit bb920b0 Missing
      Authorization in REST API Migrate and Create Endpoints
tags:
  - cve.org
ingestedAt: '2026-11-05T21:36:00.567Z'
epss: 0.00334
epssPercentile: 0.26958
---

## Overview

WebVirtCloud through commit bb920b0 contains a missing authorization vulnerability that allows low-privileged authenticated users to reach MigrateViewSet and CreateInstanceViewSet because no permission_classes are declared, so Django REST Framework defaults to AllowAny. Attackers can send requests to /api/v1/migrate/ or the compute instance create endpoint to migrate or undefine other users' virtual machines and create volumes and domains on any compute host.

## Affected

- `webvirtcloud bb920b0a7ffdf00c09e994dc2e45f05bc9ec1bb3`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.