Threats Tagged 'cve-2026-50112'
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Threats Tagged 'cve-2026-50112'
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CVE-2026-50112: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Apache Software Foundation Apache CloudStackCVE-2026-50112 0 SSRF via Metalink Mirror URL Resolution: An authenticated tenant can register a template pointing to an attacker-controlled metalink file containing internal targets. The Secondary Storage VM will retrieve the data and persist it as a template file, which can later be downloaded through normal APIs. RCE on KVM hypervisor via NFS, Metalink files with/without Direct Downloads: An authenticated CloudStack tenant holding the default User role can execute arbitrary shell commands as root on the KVM hypervisor host that runs other tenants' VMs. This is cross-tenant root on the underlying compute, reachable via the public CloudStack API. When a User registers a VM template with directDownload=true and a URL pointing to a .metalink file, the management server fetches the metalink XML and dispatches download to the KVM agent. Inner URLs inside the metalink XML are never re-validated against the scheme allowlist. These issues affect Apache CloudStack: from 4.14.0.0 through 4.20.3.0 and from 4.21.0.0 through 4.22.1.0. Users are recommended to upgrade to version 4.20.3.1 or 4.22.1.1 or later, which fixes the issue. Join the discussion | CVE Database V5 | 08/21/2026, 08:29:41 UTC Added: 08/21/2026, 11:03:58 UTC |
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