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CVE-2026-51083

Quick assessment

Affected
n/a n/a
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Proxmox virtual environment是Proxmox公司开源的一个计算机虚拟化平台。 Proxmox Virtual Environment (PVE) qemu-server 9.1.8版本之前的9.x版本和8.4.8版本之前的8.x版本存在权限许可和访问控制问题漏洞，该漏洞源于访问控制不当，可能导致有限权限的用户通过cloudinit/dump API获取哈希密码。

AI Predicted 5.3 Difficulty: Easy EPSS 0.34% · P25

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a n/a n/a affected
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I. Basic Information for CVE-2026-51083

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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 within limited privileges to obtain hashed passwords via the cloudinit/dump API.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Proxmox Virtual Environment 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Proxmox virtual environment是Proxmox公司开源的一个计算机虚拟化平台。 Proxmox Virtual Environment (PVE) qemu-server 9.1.8版本之前的9.x版本和8.4.8版本之前的8.x版本存在权限许可和访问控制问题漏洞，该漏洞源于访问控制不当，可能导致有限权限的用户通过cloudinit/dump API获取哈希密码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- n/a n/a -

II. Public POCs for CVE-2026-51083

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
default-local-qwen3.6 · 9286 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-51083

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Vendor Advisories for CVE-2026-51083 (1)

Same Patch Batch · n/a · 2026-07-17 · 14 CVEs total

CVE-2026-51080 Proxmox libpve-storage-perl 输入验证错误漏洞
CVE-2025-60357 AhnLab EPP Management 输入验证错误漏洞
CVE-2026-51081 Proxmox Virtual Environment 跨站脚本漏洞
CVE-2026-51082 Proxmox Virtual Environment 竞争条件问题漏洞
CVE-2026-36669 Feng Office 任意文件上传漏洞
CVE-2026-42168 django-pyas2 安全漏洞
CVE-2026-52199 Generic OEM UZ801 安全漏洞
CVE-2026-51833 Xenforo 安全漏洞
CVE-2025-51677 openRISC OR1200 安全漏洞
CVE-2025-51678 Yosys Headquarters PicoRV32 安全漏洞
CVE-2026-52348 cool-admin 安全漏洞
CVE-2026-52203 MingSoft MCMS 安全漏洞
CVE-2026-52584 libjxl 安全漏洞

IV. Related Vulnerabilities

Same product: n/a
Same vendor: n/a

V. Comments for CVE-2026-51083

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