Medium [CVE-2026-51083] 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
This medium-severity Proxmox advisory covers CVE-2026-51083 affecting Proxmox Virtual Environment, Proxmox.
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Summary
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.
- before 9.1.8
- before 8.4.8
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 9.1.8
- 8.4.8
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation
Upgrade to a fixed release: 9.1.8, 8.4.8. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Discussion(0)
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