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.

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Fixes

Solution

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Workaround

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History

Sat, 01 Aug 2026 09:00:00 +0000

Type Values Removed Values Added
Title Access Control Flaw Exposes VM Hashed Passwords in Proxmox PVE

Thu, 30 Jul 2026 20:45:00 +0000

Type Values Removed Values Added
First Time appeared Proxmox
Proxmox proxmox
Vendors & Products Proxmox
Proxmox proxmox

Tue, 28 Jul 2026 00:15:00 +0000

Type Values Removed Values Added
Title Access Control Flaw Exposes VM Hashed Passwords in Proxmox PVE

Sun, 26 Jul 2026 10:00:00 +0000

Type Values Removed Values Added
Title Privilege Escalation: Non‑Admin Users Can Retrieve Hashed Passwords via Proxmox Cloudinit API

Wed, 22 Jul 2026 04:00:00 +0000

Type Values Removed Values Added
Title Privilege Escalation: Non‑Admin Users Can Retrieve Hashed Passwords via Proxmox Cloudinit API

Fri, 17 Jul 2026 16:30:00 +0000

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'}


Fri, 17 Jul 2026 15:00:00 +0000

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

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-07-17T15:26:43.644Z

Reserved: 2026-06-07T00:00:00.000Z

Link: CVE-2026-51083

cve-icon Vulnrichment

Updated: 2026-07-17T15:26:35.621Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-01T08:45:02Z

Weaknesses