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CVE-2026-51083

MEDIUM
6.5
CVSS Score
Published: July 17, 2026 at 12:00 AM UTC
Updated: July 17, 2026 at 07:55 PM UTC
1 product affected across 1 vendorProxmox Virtual Environment qemu-server

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Proxmox Virtual Environment qemu-server· Proxmox
90%
8 ≤ v < 8.4.89 ≤ v < 9.1.8

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-2#post-84997

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-284

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