CVE-2026-42486

Summary: CVE-2026-42486 is documented as a RBAC-related vulnerability in XAPI. Several CVEs describe over-permissive admin roles; specifically, CVE-2026-42486 states that a vm-admin can set VM.platform:hvm_serial, a setting that should be pool-admin restricted, and this can allow arbitrary dom0 f...

CVE-2026-23561 Multiple RBAC issues in XAPI

This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. XAPI can configure different users with different roles, using Role Based Access Control. For more details, see:...

CVE-2026-23559

CVE-2026-23559 (and related RBAC issues 23560–23562, 42486) affect XAPI in XenServer/XCP-ng where a vm-admin can abuse RBAC to gain higher privileges, including arbitrary read/modify of dom0 files via VBD.other_config, alter system-domain status, disrupt PBD/storage-domain mappings, and potential...