high7.2
CVE-2026-51082
A race condition between the vncproxy and vncwebsocket API calls in Proxmox Virtual Environment (PVE) 9.x pve-manager before 9.1.9 and 8.x before 8.4.19; qemu-…
Impact
A race condition between the vncproxy and vncwebsocket API calls in Proxmox Virtual Environment (PVE) 9.x pve-manager before 9.1.9 and 8.x before 8.4.19; qemu-server 9.x before 9.1.7 and 8.x before 8.4.7; and pve-container before 6.1.3 (PVE 9.x) and before 5.3.4 (PVE 8.x) allows an attacker with privileges to call "vncproxy" to hijack a VNC session that is established in parallel by a different user for a different VM.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Proxmox | Proxmox Virtual Environment (PVE) 9.X Pve-Manager | before 9.1.9 |
| 8.X | before 8.4.19 before 8.4.7 |
Versions were read from the advisory text. No structured product data has been published for this record yet.