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Proxmox Server Solutions GmbH is an Austrian provider of open-source server software for virtualization and infrastructure management. Its business combines development of server platforms with enterprise subscriptions, technical support, training, and partner services for organizations operating private or managed IT infrastructure.
As of 10/02/2026, Proxmox Server Solutions GmbH recorded 1 security vulnerabilities in the last 90 days across 1 products, including 1 rated High or above and 0 known exploited vulnerabilities (KEV) that should be prioritized for immediate remediation.
Over the last 90 days, Proxmox Virtual Environment (VE) had the most security vulnerabilities in the Proxmox Server Solutions GmbH ecosystem, with 1 vulnerabilities—approximately 100% of the provider's total vulnerabilities during this period.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
Explore CyStack VulnScan| Vulnerability | Exploitation status | Fix | Affected product | Published | Severity |
|---|---|---|---|---|---|
CVE-2023-54391Proxmox VE 7.0-8.0 Authentication Bypass via tfa-challenge Parameter | Exploitation statusNot known exploited | FixYes | Affected productProxmox Virtual Environment (VE) | Published09/01/2026 | SeverityCritical |
