Orta ÖNEM — Güvenlik Açığı

CVE-2026-51081 — A cross-site scripting (XSS) vulnerability in Proxmox Virtual Environment (PVE) 9.x 5.1.8 and Proxmox Virtual Environmen

A cross-site scripting (XSS) vulnerability in Proxmox Virtual Environment (PVE) 9.x 5.1.8 and Proxmox Virtual Environment (PVE) 8.x 4.3.16 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload.

Platform
Proxmox VE
CVE Kaydı
CVE-2026-51081
CVSS Skoru
6.1/10
Yayın Tarihi
17 Temmuz 2026
Okunma
2
Birincil kaynak: Kaynaktaki resmî duyuruyu inceleyin: nvd.nist.gov Kaynağa Git

Özet

A cross-site scripting (XSS) vulnerability in Proxmox Virtual Environment (PVE) 9.x 5.1.8 and Proxmox Virtual Environment (PVE) 8.x 4.3.16 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload.

Değerlendirme

  • CVE: CVE-2026-51081
  • CVSS taban puanı: 6.1
  • Vektör: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • Kaynak: NVD kaydı

Referanslar

Aksiyon

  • Etkilenen sistemleri envanterden doğrulayın
  • Üretici yamasını bakım penceresinde uygulayın
  • Yama uygulanana kadar erişimi ağ katmanında kısıtlayın

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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.

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