Vulnary
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Critical· 9.8

CVE-2026-51080

A vulnerability has been identified in the libpvestorage-perl and libpve-storage-perl software libraries. This flaw is an XML External Entity (XXE) vulnerability, which occurs when an application processes XML data containing references to external entities.

publishedJul 17, 2026
last modifiedJul 17, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
22th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Sep 1, 2026

No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.

01

Who is affected

Users of libpvestorage-perl version 9.1.1 and libpve-storage-perl version 8.3.7.

02

Real-world impact

An attacker could potentially exploit this flaw to access unauthorized data or interact with internal systems through the XML processing mechanism.

03

Why this severity

The critical score reflects that the vulnerability can be exploited remotely over a network without requiring any user interaction or special privileges.

04

What to do about it

no official fix yet

No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.

NVD description

05

Timeline

06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →