CVE-2026-51080
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XXE Vulnerability in libpve-storage-perl

Publication date: 2026-07-17

Last updated on: 2026-07-17

Assigner: MITRE

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

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Meta Information

Published
2026-07-17
Last Modified
2026-07-17
Generated
2026-08-06
AI Q&A
2026-07-17
EPSS Evaluated
2026-08-05
NVD
CVE-2026-51080
EUVD
EUVD-2026-45180

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-611 The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.

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Executive Summary

This vulnerability is an XML External Entity (XXE) issue found in libpvestorage-perl versions v9.1.1 and libpve-storage-perl versions v8.3.7. XXE vulnerabilities occur when an application processes XML input that contains references to external entities, which can lead to unauthorized access to sensitive data or system resources.

Detection Guidance

Detection of this XXE vulnerability in libpve-storage-perl requires checking the installed version of the affected packages. Use commands like 'dpkg -l | grep libpve-storage-perl' or 'rpm -qa | grep libpve-storage-perl' to verify versions. Affected versions are v9.1.1 and v8.3.7.

Impact Analysis

An XXE vulnerability can allow attackers to read sensitive files, perform denial-of-service attacks, or interact with internal systems. If you use the affected versions of libpvestorage-perl or libpve-storage-perl, your system could be exposed to unauthorized data access or other malicious activities.

Compliance Impact

The provided CVE data does not specify how this XXE vulnerability impacts compliance with standards like GDPR or HIPAA. Without additional context on affected systems or data types, it is unclear whether this vulnerability could lead to unauthorized data exposure or processing violations.

Mitigation Strategies

Update libpvestorage-perl to version 9.1.2 or later and libpve-storage-perl to version 8.3.8 or later to address the XXE vulnerability.

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