CVE-2026-51083

Published Jul 17, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Access Control Flaw Exposes VM Hashed Passwords in Proxmox PVE
Type Values Removed Values Added
First Time appeared Proxmox
Proxmox proxmox
Vendors & Products Proxmox
Proxmox proxmox
Type Values Removed Values Added
Title Access Control Flaw Exposes VM Hashed Passwords in Proxmox PVE
Type Values Removed Values Added
Title Privilege Escalation: Non‑Admin Users Can Retrieve Hashed Passwords via Proxmox Cloudinit API
Type Values Removed Values Added
Title Privilege Escalation: Non‑Admin Users Can Retrieve Hashed Passwords via Proxmox Cloudinit API
Type Values Removed Values Added
Weaknesses CWE-284
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 17, 2026, 3:26 PM
Reserved
Jun 7, 2026, 12:00 AM
Status
Deferred
Published
Jul 17, 2026, 3:16 PM
Modified
Jul 17, 2026, 6:29 PM