CVE-2026-51083 — MEDIUM (6.5)

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.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-284

References

https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisorie

FAQ

What is CVE-2026-51083?

CVE-2026-51083 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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...

How severe is CVE-2026-51083?

CVE-2026-51083 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-51083?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.