A vulnerability identified as very critical has been detected in Xen XAPI. This affects the function
xapi_pci_passthrough_configure of the file xapi_pci_passthrough.py of the component PCI Passthrough Configuration Handler. This manipulation of the argument pci_passthrough causes improper access controls.
This vulnerability appears as CVE-2026-23562. The attack may be initiated remotely. There is no available exploit.