Proxmox Virtual Environment vulnerabilities
4 known CVE vulnerabilities in Proxmox Virtual Environment, translated and rated.
- CVE-2022-31358Critical
A reflected cross-site scripting (XSS) vulnerability in Proxmox Virtual Environment prior to v7.2-3 allows remote attackers to execute arbitrary web scripts or HTML via non-existent endpoints under path /api2/html/.
- CVE-2026-51083Medium
Incorrect access control in Proxmox Virtual Environment (PVE) 9.x qemu-server before 9.1.8 and 8.x before 8.4.8 allows users with limited privileges to obtain hashed passwords via the cloudinit/dump API.
- CVE-2026-51082High
A race condition between the vncproxy and vncwebsocket API calls in Proxmox Virtual Environment (PVE) 9.x and 8.x allows an attacker with privileges to call vncproxy to hijack a VNC session established in parallel by a different user for a different VM.
- CVE-2026-51081Medium
A cross-site scripting (XSS) vulnerability in Proxmox Virtual Environment (PVE) 9.x 5.1.8 and 8.x 4.3.16 allows attackers to inject malicious scripts or HTML. The flaw exists in input handling, enabling arbitrary code execution in the victim's browser.