CVE-2025-56534: Opennebula

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

A cross-site scripting (XSS) vulnerability in the custom authenticator driver of opennebula v6.10.0.1 allows attackers to execute arbitrary web scripts or HTML via a crafted payload.

Affected products

• Opennebula Opennebula: before 7.0.0 (fixed in 7.0.0)

Published 2026-04-29. Last modified 2026-06-17.