What is GHSA-vjf4-fxgw-f2mh?

GHSA-vjf4-fxgw-f2mh is a security advisory published by GitHub Security Advisories with High severity. A race condition between the vncproxy and vncwebsocket API calls in Proxmox Virtual Environment ...

Which CVE IDs does GHSA-vjf4-fxgw-f2mh cover?

GHSA-vjf4-fxgw-f2mh covers the following CVE IDs: CVE-2026-51082. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-vjf4-fxgw-f2mh?

GHSA-vjf4-fxgw-f2mh has a CVSS v3 base score of 7.2, published by GitHub Security Advisories.

GHSA-vjf4-fxgw-f2mhHighCVSS 7.2

A race condition between the vncproxy and vncwebsocket API calls in Proxmox Virtual Environment ...

Vendor

GitHub Security Advisories

Published

July 17, 2026

Last Modified

July 17, 2026

🔗 CVE IDs covered (1)

CVE-2026-51082 →

📋 Description

A race condition between the vncproxy and vncwebsocket API calls in Proxmox Virtual Environment (PVE) 9.x pve-manager 9.1.x before 9.1.9 and 8.4.x before 8.4.19; qemu-server 9.1.x before 9.1.7 and 8.4.x before 8.4.7; and pve-container 6.1.x before 6.1.3 and 5.3.x before 5.3.4 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-51082
https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/post-849971
https://github.com/advisories/GHSA-vjf4-fxgw-f2mh