CVE-2026-51080

XML External Entity (XXE) Vulnerability in libpvestorage-perl and libpve-storage-perl

Published Jul 17, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
libpvestorage-perl v9.1.1 and libpve-storage-perl v8.3.7 were discovered to contain an XML External Entity (XXE) vulnerability.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:proxmox:libpve-storage-perl:8.3.7:*:*:*:*:*:*:*
cpe:2.3:a:proxmox:libpve-storage-perl:9.1.1:*:*:*:*:*:*:*
Type Values Removed Values Added
Title XML External Entity (XXE) Vulnerability in libpvestorage-perl and libpve-storage-perl
Type Values Removed Values Added
First Time appeared Proxmox
Proxmox libpve-storage-perl
Proxmox libpvestorage-perl
Vendors & Products Proxmox
Proxmox libpve-storage-perl
Proxmox libpvestorage-perl
Type Values Removed Values Added
Title XML External Entity Vulnerability in libpvestorage-perl and libpve-storage-perl
Type Values Removed Values Added
Title XML External Entity Vulnerability in libpvestorage-perl and libpve-storage-perl
Type Values Removed Values Added
Weaknesses CWE-611
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description libpvestorage-perl v9.1.1 and libpve-storage-perl v8.3.7 were discovered to contain an XML External Entity (XXE) vulnerability.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 17, 2026, 4:55 PM
Reserved
Jun 7, 2026, 12:00 AM
Status
Analyzed
Published
Jul 17, 2026, 2:17 PM
Modified
Aug 11, 2026, 11:41 PM