CVE Catalog

CVE-2026-51080

CriticalCVSS 9.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.29%

21th percentile - higher than 21% of all known CVEs

Summary

An XML External Entity (XXE) vulnerability was discovered in libpvestorage-perl v9.1.1 and libpve-storage-perl v8.3.7. It allows an attacker to load external XML entities, potentially leading to file disclosure or unauthorized requests.

Risk Assessment

The risk involves potential reading of sensitive system files by an attacker, which could result in data leakage or privilege escalation in the Proxmox VE environment.

Recommendation

Immediately update libpvestorage-perl to a version newer than 9.1.1 and libpve-storage-perl to a version newer than 8.3.7, and disable external entity processing in XML configuration.

Related vulnerabilities

Original NVD description (English source)

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

Vulnerability data from NVD (NIST) · CISA KEV · EPSS