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CVE-2026-51080: Libpve Storage Perl XXE Vulnerability Affects Proxmox Servers

CVE-2026-51080 CVE-2026-51080

Summary

The Libpve Storage Perl library, used by Proxmox servers, contains a vulnerability that allows attackers to inject malicious code. This could lead to unauthorized access or data theft. Users should update to the latest version to fix the issue.

Original title

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

Original description

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

Vulnerability type

CWE-611 XML External Entity (XXE)

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

Published: 17 Jul 2026 · Updated: 20 Jul 2026 · First seen: 17 Jul 2026