CVE-2026-51080: Proxmox Libpve-Storage-Perl

Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days.

libpvestorage-perl v9.1.1 and libpve-storage-perl v8.3.7 were discovered to contain an XML External Entity (XXE) vulnerability.

Affected products

• Proxmox Libpve-Storage-Perl: version 8.3.7 only; version 9.1.1 only

Published 2026-07-17. Last modified 2026-08-11.