CVE-2026-51080

Estado: AnalizadaCrítica (9.8)—

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

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 9.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.52%
Percentil entre todas las CVEs puntuadas: 42
Fecha de la puntuación: 6/10/2026

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access95 %
Impacto principalT1005 Data from Local Systemcollection90 %
Impacto secundarioT1068 Exploitation for Privilege Escalationprivilege escalation70 %
Impacto secundarioT1565 Data Manipulationimpact75 %

XXE en librería storage de Proxmox accesible remotamente sin autenticación (AV:N/PR:N). Permite lectura de archivos locales (T1005) y potencial ejecución de código/escalada (CWE-611).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Network Segmentation Application Isolation and Sandboxing Exploit Protection Update Software Vulnerability Scanning Threat Intelligence Program

Tecnologías afectadas (1)

Proxmox — Libpve-storage-perl

CWE

CWE-611

Referencias

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

JSON original (NVD)

Mostrar

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