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CVE-2026-23559

🗓️ 09 Jul 2026 15:09:51Reported by XENType 
cve
 cve
🔗 web.nvd.nist.gov👁 51 Views🌐 WEB

RBAC flaws let vm-admin access dom0 files, mark system domain, affect storage, PCI, and dom0 writes.

Related
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-23560
9 Jul 202615:12
–attackerkb
attackerkb
attackerkb
CVE-2026-23561
9 Jul 202615:13
–attackerkb
attackerkb
attackerkb
CVE-2026-23559
9 Jul 202615:09
–attackerkb
attackerkb
attackerkb
CVE-2026-42486
9 Jul 202615:16
–attackerkb
attackerkb
attackerkb
CVE-2026-23562
9 Jul 202615:15
–attackerkb
bdu_fstec
BDU FSTEC
XCP-ng Supervisor RBAC Access Bypass
20 May 202600:00
–bdu_fstec
bdu_fstec
BDU FSTEC
XCP-ng RBAC Privilege Escalation
20 May 202600:00
–bdu_fstec
bdu_fstec
BDU FSTEC
XCP-ng RBAC Storage Driver Privilege Escalation
20 May 202600:00
–bdu_fstec
bdu_fstec
BDU FSTEC
XCP-ng XenServer RBAC Bypass
20 May 202600:00
–bdu_fstec
bdu_fstec
BDU FSTEC
XCP-ng RBAC HVM Serial Write Access
20 May 202600:00
–bdu_fstec
Rows per page
[
  {
    "vendor": "Xen",
    "product": "XAPI",
    "versions": [
      {
        "status": "affected",
        "version": "all"
      }
    ],
    "defaultStatus": "unaffected"
  }
]
ParameterPositionPathDescriptionCWE
VBD.other_config:backend-localrequest body/api/v1/vm/configA vm-admin can set VBD.other_config:backend-local, allowing them to turn arbitrary files in dom0 into VDIs and attach them to a VM they control.CWE-250
VM.other_config:is_system_domainrequest body/api/v1/vm/configA vm-admin can set VM.other_config:is_system_domain, marking a VM as a system domain which may be hidden from view or ignored during host operations.CWE-250
VM.other_config:storage_driver_domainrequest body/api/v1/vm/configA vm-admin can set VM.other_config:storage_driver_domain, marking a VM as the storage domain for a host storage connection (PBD).CWE-250
VM.platform:hvm_serialrequest body/api/v1/vm/configA vm-admin can set the VM.platform:hvm_serial parameter, which can allow arbitrary dom0 file write.CWE-250

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