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Vulnerability record · CVE-2026-51080 · published 17 July 2026

CVE-2026-51080: Proxmox libpve-storage-perl xml external entity (xxe) vulnerability

Proxmox · Libpve Storage Perl

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

9.8 CVSS 3.1 Critical EPSS 0.52% · top 58.4% CWE-611 · XML external entity (XXE)
9.8CVSS 3.1 base score
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
11 Aug 2026Last modified by NVD

Description

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/post-849970 Issue TrackingVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-51080), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.