CVE-2026-122224: WebVirtCloud API Missing Authorization Vulnerability
Article Content
- •CVE-2026-122224 allows low-privileged users to exploit WebVirtCloud APIs.
- •Attackers can migrate or create virtual machines without proper authorization.
- •High-risk exposure for internet-accessible deployments and multi-user environments.
A missing authorization vulnerability (CVE-2026-122224) was identified in WebVirtCloud, allowing low-privileged authenticated users to access MigrateViewSet and CreateInstanceViewSet without proper permissions. This flaw, stemming from the absence of declared permission classes in the Django REST Framework, enables attackers to migrate or manipulate other users' virtual machines and create resources on compute hosts. The vulnerability affects WebVirtCloud versions 1.0 and the default branch at commit bb920b0. The risk is high, particularly for deployments accessible over the internet, where unauthorized users could disrupt services. The CVE was published on November 4, 2026, with a CVSS score of 7.2, indicating a significant threat level. Current exploitation status is unknown, and no active exploitation has been reported yet. Organizations are advised to review API access and implement proper authorization checks to mitigate risks.
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