CVE-2026-51083 Information disclosure in n/a
Limited privilege users can obtain hashed passwords via the cloudinit/dump API in Proxmox Virtual Environment.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-51083?
CVE-2026-51083 is a medium-severity vulnerability in n/a, published on 17 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-284
Which versions are affected by CVE-2026-51083?
How do I fix CVE-2026-51083?
No fix has been published for CVE-2026-51083 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-51083 being exploited?
There is no known exploitation of CVE-2026-51083 in the wild and no public exploit code.
Sources
Also known as GHSA-3q5r-q6qf-qq6p.